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Welcome to the ROI chatbot arena. Adjust the sliders below to see which model actually wins when it comes to your monthly API bill and production speed. When architecting agentic workflows, the choice between Google Gemini Gemma 4 31B and Google Gemini Gemini 2.0 Flash (001) often represents the pivotal trade-off between raw intelligence and cost-efficiency. Both providers offer competitive HumanEval coding performance, but their cost-efficiency varies significantly depending on your specific ratio of input to output tokens and your requirements for HumanEval coding performance. Our 2026 analysis provides the data-driven insights you need to optimize your agentic workflows without overpaying for unused HumanEval coding performance.
List $/1M tokens, context limits, and estimated monthly bill for the same workload you configure below—API list math for the first two models in this calculator.
Gemma 4 31B
Google Gemini
Gemini 2.0 Flash (001)
Google Gemini
Longer bar = higher list spend for the sliders below. Cheaper run for this scenario is highlighted.
Open the full workspace—dial tokens, requests, vision, batch & agency, then line up up to four models on that exact scenario. You get true monthly list cost, heuristic performance, and a Final Verdict ranking built for your numbers—not a generic blog table.
Sliders, charts & compare
This page's two models are pre-selected. Add up to four models—sliders and toggles below apply the same usage to every model in the list.
Typical API, Heavy RAG, and Max context stress set monthly requests and how hard each call uses the token sliders—stress caps per request and trims calls so totals stay readable. Clears a use-case template on the right. Moving requests clears this row; moving input/output clears the tier.
Sets input, output, requests, and template value weights for the ROI read—touch a token slider and weights fall back to 50% / 50%. With Deep Reasoning, output is ×1.4 before pricing. Clears a volume preset on the left.
Off — no image fees for models that support vision.
Turn On to include image fees.
Applies cached input rates where this catalog lists them (OpenAI, Anthropic, Google, …). Models without a cached rate keep list pricing.
Add markup for client pricing
Model hidden reasoning / extended thinking charged like output tokens when enabled.
Enable for 50% off input & output
Get notified when cost exceeds limit
Gemma 4 31B
Google Gemini
Input (list)
$0.13 / 1M
Output (list)
$0.38 / 1M
Effective input / output (this scenario)
$0.130 / 1M in · $0.380 / 1M out
Cached input
No cached input rate in catalog for this model
Batch pricing
Eligible for 50% batch discount — toggle Batch Pricing on to apply
Vision
Up to $0.0001 per image when vision is on
Input $
$5.20
Output $
$3.80
Vision $
$0.00
Gemini 2.0 Flash (001)
Google Gemini
Input (list)
$0.10 / 1M
Output (list)
$0.40 / 1M
Effective input / output (this scenario)
$0.100 / 1M in · $0.400 / 1M out
Cached input
No cached input rate in catalog for this model
Batch pricing
Eligible for 50% batch discount — toggle Batch Pricing on to apply
Vision
Up to $0.0050 per image when vision is on
Input $
$4.00
Output $
$4.00
Vision $
$0.00
Stacked spend by model — input, output, and vision from your sliders.
Input tokens
8K
per request
Output tokens
2K
per request
Images
—
vision off
All selected models — same workload & toggles
Up to $1.00/mo ($12.00/yr) less with Gemini 2.0 Flash (001) vs Gemma 4 31B for this workload.
Google Gemini
Gemma 4 31B
per month
Per request
$0.000000
Per 1K tokens
$0.0005
Google Gemini
Gemini 2.0 Flash (001)
Cheapest for this workload — same sliders & toggles as above; lowest projected monthly cost in your compare list.
per month
Per request
$0.000000
Per 1K tokens
$0.0005
At a glance
Context max
262,144 tokens
Catalog limit per request
TPS index
0/100
~25 TPS est. (illustrative)
Vision
Yes (catalog)
Multimodal detail below
TPS index (0–100)
Higher fill = snappier catalog proxy for comparisons, not your measured TPS.
0/100
Context vs reference
Bar vs 2M-token reference — headroom for long prompts.
~13.1% of reference — heuristic scale for long-document headroom.
Deployment and API surface
Deployment
Open-weight lineage (may be self-hostable — verify license)
Architecture
Dense
Tools
Tools / function calling (Strong)
Documents and multimodal
Audio (no). Multimodal text + images (vision-capable in catalog)
JSON mode
Yes (typical API)
At a glance
Context max
1,000,000 tokens
Catalog limit per request
TPS index
0/100
~25 TPS est. (illustrative)
Vision
Yes (catalog)
Multimodal detail below
TPS index (0–100)
Higher fill = snappier catalog proxy for comparisons, not your measured TPS.
0/100
Context vs reference
Bar vs 2M-token reference — headroom for long prompts.
~50% of reference — heuristic scale for long-document headroom.
Deployment and API surface
Deployment
Managed API (cloud)
Architecture
Dense
Tools
Tools / function calling (Strong)
Documents and multimodal
Audio (no). Multimodal text + images (vision-capable in catalog)
JSON mode
Yes (typical API)
Values come from provider-family profiles in this tool, not live pings from your network or a live inventory of your stack. Use vendor observability and contracts for latency SLOs and regional behavior.
Your custom ranking based on your specific token volume. We calculate the exact ROI by dividing catalog benchmarks by your live estimated monthly cost for the US, Canadian, and Australian markets.
Custom ROI Ranking
Bars are sorted best → rest. Eligible value leaders scale to 100% within the set. Non-native "thinking" picks are capped at 15% width and muted so they never look like a full-value winner.
Brand colors = eligible rows; muted slate = not a value pick for current toggles.
No eligible winner
Every model is disqualified or scored at zero for value with your current Vision / Deep Reasoning toggles. Turn off incompatible options or pick models that support them.
Model DNA radar
Seven pillars per model — each axis is 0–100 on a catalog-wide absolute scale (not min–max within this lineup). Price favors lower list cost at the 500K in / 100K out sample; logic/coding/speed pull from the same heuristics as the value score (catalog benchmarks).
Axes: Price · Logic · Coding · Context · Speed · Multimodal · Openness. Openness = rough “how open/hostable” hint from provider family, not a license statement.
Four angles on the same compare — choose the story that matches what you optimize for.
Best overall value
Lowest cost
Top quality
Largest context
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Best for: Research, fine-tuning, and self-hosted inference
Best for: High-volume text processing, RAG, and fast chat
Google Gemini Gemma 4 31B is offered by Google Gemini as part of the hosted API lineup. List prices here are $0.14 per million input tokens and $0.4 per million output tokens. It can take images in the API; our catalog lists about $0.005 per image. On our catalog benchmarks (0–100, not official vendor scorecards): composite 0/100, coding 0/100, logic/reasoning 0/100, math 0/100, and instruction following 0/100. For UX speed orientation we show a speed score of 0/100 and call it “Moderate / variable”—Latency depends entirely on your hardware stack. Context window is 256,000 tokens (Strong for long reports, transcripts, and mid-size repos.). Vision path for images; long PDFs often via text extraction + RAG Tools: Strong — standard tool/function patterns on hosted API. JSON outputs: Yes — JSON / schema-style outputs widely used. Prompt caching: Depends on provider — use catalog cached rate when shown. Benchmark scan pending — live OpenRouter pricing is synced; scores populate after autonomous research.
Google Gemini Gemini 2.0 Flash (001) is offered by Google Gemini as part of the hosted API lineup. List prices here are $0.1 per million input tokens and $0.4 per million output tokens. It can take images in the API; our catalog lists about $0.005 per image. On our catalog benchmarks (0–100, not official vendor scorecards): composite 0/100, coding 0/100, logic/reasoning 0/100, math 0/100, and instruction following 0/100. For UX speed orientation we show a speed score of 0/100 and call it “Fast (latency-friendly)”—Flash and mini tiers optimize for low latency per dollar. Context window is 1,000,000 tokens (Very large — whole codebases or book-scale text in one shot (watch cost).). Large single-shot context — fewer chunks for long PDFs / repos (still extract text per API rules) Tools: Strong — standard tool/function patterns on hosted API. JSON outputs: Yes — JSON / schema-style outputs widely used. Prompt caching: Depends on provider — use catalog cached rate when shown. Benchmark scan pending — live OpenRouter pricing is synced; scores populate after autonomous research.
Price + performance hints
Choosing between Google Gemini Gemma 4 31B and Google Gemini Gemini 2.0 Flash (001) affects your monthly API bill and how snappy your app feels. Skip the hype. Use the calculator above for dollars, then use this page for context limits, caching, and our plain-language hints on speed (0/100 vs 0/100) and rough “smarts” (0/100 vs 0/100). Those hints come from catalog + provider family signals—they are not lab benchmarks—so still try both on real tasks.
API latency and failover paths depend on where you host and which provider region you call. Teams in Australia often verify Sydney (ap-southeast-2) or Singapore edges; US buyers standardize on us-east-1 / us-west-2; Canada frequently maps to the same US regions or dedicated CA endpoints where offered. Our list prices are global list rates—map the model to your closest allowed region in the provider console, then re-run the workspace above with your real traffic split so CFOs and CTOs see numbers tied to production, not a generic blog table.
Google Gemini Gemma 4 31B
Google Gemini
Google Gemini Gemini 2.0 Flash (001)
Google Gemini
Performance snapshot (hints, not benchmarks)
Speed hints are basically tied (0/100 each). Treat them as similar on paper, then measure time-to-first-token where your users are. Overall “smarts” hints are very close (0/100 vs 0/100). Coding hints are neck-and-neck (0/100 vs 0/100). Always run a few real prompts that matter to you.
| Google Gemini Gemma 4 31B | Google Gemini Gemini 2.0 Flash (001) | |
|---|---|---|
| Speed hintrough latency vibe | 0/100 | 0/100 |
| Tier labelhow we bucket it | Moderate / variable | Fast (latency-friendly) |
| Overall smartsnot official scores | 0/100 | 0/100 |
| Coding hintheuristic | 0/100 | 0/100 |
Benchmark scan pending — live OpenRouter pricing is synced; scores populate after autonomous research. Same idea applies to both sides—use these rows as a starting point, not a verdict.
Every prompt, document, and system message costs input tokens. Google Gemini Gemma 4 31B is $0.14 per million input tokens. Google Gemini Gemini 2.0 Flash (001) is $0.1. For read-heavy workloads, Google Gemini Gemini 2.0 Flash (001) wins. If you process huge documents daily, that gap adds up fast—pick Google Gemini Gemini 2.0 Flash (001) over Google Gemini Gemma 4 31B when quality is similar. Use our calculator above to see exact input costs.
Output tokens are what the model generates. They are usually pricier than input. Google Gemini Gemma 4 31B charges $0.4 per million output tokens; Google Gemini Gemini 2.0 Flash (001) charges $0.4. For long answers, code, or reports, favor Google Gemini Gemma 4 31B. Tight prompts ("answer in one paragraph") cut spend on either side. Our calculator helps you estimate these output costs accurately.
Context is how much text fits in one request. Google Gemini Gemma 4 31B allows up to 256,000 tokens. Google Gemini Gemini 2.0 Flash (001) allows up to 1,000,000. Google Gemini Gemini 2.0 Flash (001) fits longer docs or repos—but you pay for every token you send, every turn. Do not max the window unless you need it. In plain words: Strong for long reports, transcripts, and mid-size repos. For the other side: Very large — whole codebases or book-scale text in one shot (watch cost).
Gemma 4 31B supports vision (about $0.005 per image in our catalog). Gemini 2.0 Flash (001) supports vision (about $0.005 per image). Resize images before the API when you can—it lowers token load and cost.
Reusing the same long context? Caching can slash input cost. Gemma 4 31B does not show a cached rate in our data. Gemini 2.0 Flash (001) does not show a cached rate here. Great for chat over one big PDF or policy doc.
If you do not need instant replies, batch jobs often run at a steep discount (often around half off list price, depending on the provider). Ship a file of requests, get results within about a day. Ideal for summaries, translations, and backfills. Use the calculator toggles above to see how batch mode changes your estimate.
Chats repeat system prompts and history every turn. A short user message can still bill thousands of input tokens. Lower input price helps—Google Gemini Gemini 2.0 Flash (001) is usually safer for high-volume chat. On our speed hints, Google Gemini Gemma 4 31B is 0/100 (Moderate / variable) and Google Gemini Gemini 2.0 Flash (001) is 0/100 (Fast (latency-friendly)). If one is clearly ahead on both price and speed hint, that is a nice combo for live chat—but slow networks or huge prompts can still swamp the difference, so try a realistic thread in your region.
Extraction needs accuracy and often a large context for messy PDFs. Try both Google Gemini Gemma 4 31B and Google Gemini Gemini 2.0 Flash (001) on real samples. If quality matches, pick the cheaper input side—extraction is usually input-heavy.
Coding rewards reliability over saving a few cents. Bad output costs engineer time. Our coding-strength hints (again, heuristics) put Google Gemini Gemma 4 31B at 0/100 and Google Gemini Gemini 2.0 Flash (001) at 0/100, with broader “smarts” hints at 0/100 vs 0/100. Between this pair, favor whichever passes your tests on your stack traces and style rules; if quality is a tie, output price leans toward Google Gemini Gemma 4 31B for long patches.
System prompts ride along on every call. Example: 1,000 tokens × 100,000 requests per day ≈ 100M input tokens daily. At $0.14 per million for Google Gemini Gemma 4 31B, that is about $14.00 per day from the system prompt alone. Keep instructions short and reusable.
RAG sends retrieved chunks with each question. More chunks mean more input tokens to Google Gemini Gemma 4 31B or Google Gemini Gemini 2.0 Flash (001). Tighten retrieval: send only the best few passages, not whole folders.
Long prompts tax you every request. Fine-tuning costs upfront but can shorten prompts. Compare total cost in our calculator: long prompt + cheap base model vs short prompt + fine-tuned pricing if you use it.
Agents may call Google Gemini Gemma 4 31B or Google Gemini Gemini 2.0 Flash (001) many times per user task. One workflow can equal dozens of normal chat turns. Cap steps, log spend, and alert on spikes.
Bill clients for API usage you resell. Use Agency Mode in the calculator for markup, client price, and margin—plus PDFs for proposals.
Flat plans get burned by power users on Google Gemini Gemma 4 31B or Google Gemini Gemini 2.0 Flash (001). Credits or BYOK (bring your own key) align revenue with cost.
Dashboards, alerts, and tools like Helicone or Langfuse show who burns tokens and which prompts bloat bills. Measure before you optimize.
Beyond this pair, consider OpenAI GPT-4o, Anthropic Claude 3.5 Sonnet, or Google Gemini Gemini 1.5 Pro for price or capability fit. Design your stack so you can swap models without a rewrite.
List prices keep falling, but workloads get heavier—bigger contexts, agents, more tools. Net spend can still climb. Keep a running estimate whenever you change models or traffic.
Cost is not everything. Gemma 4 31B carries a speed hint of 0/100 (Moderate / variable); Gemini 2.0 Flash (001) is 0/100 (Fast (latency-friendly)).Latency depends entirely on your hardware stack. Flash and mini tiers optimize for low latency per dollar. In production you still want time-to-first-token and tokens per second on your prompts, region, and concurrency—especially for voice, typing indicators, or anything that feels “live.”
Check training, retention, and region rules for each provider behind Gemma 4 31B and Gemini 2.0 Flash (001). Regulated data needs enterprise terms, not guesswork.
Proprietary APIs are simple but price-controlled. Open models (e.g. Llama family) add ops work but can cut unit cost at scale. Match the tradeoff to your team.
Consultants can embed this Gemma 4 31B vs Gemini 2.0 Flash (001) experience white-label, capture emails with PDF reports, and turn pricing questions into leads—free with LeadsCalc.
Dollar figures reflect catalog pricing; speed and “smarts” rows are in-house hints, not vendor benchmarks. Confirm rates and run your own latency tests before you commit.
“Final Verdict: The choice between Google Gemini Gemma 4 31B and Google Gemini Gemini 2.0 Flash (001) is a "horses for courses" scenario. Engineering teams should prioritize Google Gemini Gemma 4 31B for self_hosted and leverage Google Gemini Gemini 2.0 Flash (001) when cost is the bottleneck in their enterprise AI stacks.”
While traditional chatbot arenas measure human preference (vibes), the LeadsCalc arena measures hard ROI. We pit models against each other based on cost-per-1M tokens, context windows, and latency.
More side-by-side API pricing calculator pages (for people and search). Each link opens an interactive cost calculator with the same breakdown style as this page. Use our calculator to evaluate different models and price tiers.
Pricing, speed hints, and rough “smarts” scores for Google Gemini Gemma 4 31B vs Google Gemini Gemini 2.0 Flash (001)
Both models are closely matched in performance-per-dollar. The decision should be based on which provider's instruction-following precision aligns better with your specific enterprise AI stacks.