LLM Reference

Gemma 3 12B vs Mistral Small 3.1 24B Instruct

Gemma 3 12B (2026) and Mistral Small 3.1 24B Instruct (2025) are compact production models from Google DeepMind and MistralAI. Gemma 3 12B ships a 33k-token context window, while Mistral Small 3.1 24B Instruct ships a 128k-token context window. On pricing, Gemma 3 12B costs $0.04/1M input tokens versus $0.10/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Gemma 3 12B is ~150% cheaper at $0.04/1M; pay for Mistral Small 3.1 24B Instruct only for long-context analysis.

Decision scorecard

Local evidence first
SignalGemma 3 12BMistral Small 3.1 24B Instruct
Best forprovider-routed productionmultimodal apps and provider-routed production
Decision fitClassification and JSON / Tool useRAG, Long context, and Vision
Context window33k128k
Cheapest output$0.13/1M tokens$0.30/1M tokens
Provider routes5 tracked6 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Gemma 3 12B when...
  • Gemma 3 12B has the lower cheapest tracked output price at $0.13/1M tokens.
  • Local decision data tags Gemma 3 12B for Classification and JSON / Tool use.
Choose Mistral Small 3.1 24B Instruct when...
  • Mistral Small 3.1 24B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Mistral Small 3.1 24B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
  • Mistral Small 3.1 24B Instruct uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Mistral Small 3.1 24B Instruct for RAG, Long context, and Vision.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Gemma 3 12B

Gemma 3 12B

$64.50

Cheapest tracked route/tier: OpenRouter

Mistral Small 3.1 24B Instruct

$155

Cheapest tracked route/tier: Together AI

Estimated monthly gap: $90.50. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Gemma 3 12B -> Mistral Small 3.1 24B Instruct
  • Provider overlap exists on Cloudflare Workers AI and OpenRouter; start route-level A/B tests there.
  • Mistral Small 3.1 24B Instruct is $0.17/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Mistral Small 3.1 24B Instruct adds Vision and Multimodal in local capability data.
Mistral Small 3.1 24B Instruct -> Gemma 3 12B
  • Provider overlap exists on Cloudflare Workers AI and OpenRouter; start route-level A/B tests there.
  • Gemma 3 12B is $0.17/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.

Specs

Specification
Released2026-01-012025-12-15
Context window33k128k
Parameters12B24B
Architecturedecoder onlydense
LicenseGemmaApache 2.0(OSI)
OpennessOpen weightsOpen source
Commercial useCommercial use with conditionsCommercial use allowed
Knowledge cutoff2024-082023-10

Pricing and availability

Pricing attributeGemma 3 12BMistral Small 3.1 24B Instruct
Input price$0.04/1M tokens$0.10/1M tokens
Output price$0.13/1M tokens$0.30/1M tokens
Providers

Capabilities

CapabilityGemma 3 12BMistral Small 3.1 24B Instruct
VisionNoYes
MultimodalNoYes
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsYesYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: Mistral Small 3.1 24B Instruct and multimodal input: Mistral Small 3.1 24B Instruct. Both models share structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

For cost, Gemma 3 12B lists $0.04/1M input and $0.13/1M output tokens on the cheapest tracked provider, while Mistral Small 3.1 24B Instruct lists $0.10/1M input and $0.30/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Gemma 3 12B lower by about $0.09 per million blended tokens. Availability is 5 providers versus 6, so concentration risk also matters.

Choose Gemma 3 12B when provider fit and lower input-token cost are central to the workload. Choose Mistral Small 3.1 24B Instruct when long-context analysis, larger context windows, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions.

FAQ

Which has a larger context window, Gemma 3 12B or Mistral Small 3.1 24B Instruct?

Mistral Small 3.1 24B Instruct supports 128k tokens, while Gemma 3 12B supports 33k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Which is cheaper, Gemma 3 12B or Mistral Small 3.1 24B Instruct?

Gemma 3 12B is cheaper on tracked token pricing. Gemma 3 12B costs $0.04/1M input and $0.13/1M output tokens. Mistral Small 3.1 24B Instruct costs $0.10/1M input and $0.30/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is Gemma 3 12B or Mistral Small 3.1 24B Instruct open source?

Gemma 3 12B is listed under Gemma. Mistral Small 3.1 24B Instruct is listed under Apache 2.0. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for vision, Gemma 3 12B or Mistral Small 3.1 24B Instruct?

Mistral Small 3.1 24B Instruct has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for multimodal input, Gemma 3 12B or Mistral Small 3.1 24B Instruct?

Mistral Small 3.1 24B Instruct has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run Gemma 3 12B and Mistral Small 3.1 24B Instruct?

Gemma 3 12B is available on Cloudflare Workers AI, AWS Bedrock, OpenRouter, GCP Vertex AI, and Novita AI. Mistral Small 3.1 24B Instruct is available on Cloudflare Workers AI, OpenRouter, Fireworks AI, NVIDIA NIM, and Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.