LLM Reference

Gemini 2.5 Pro Preview 05-06 vs Mistral Small 3.1 24B Instruct

Gemini 2.5 Pro Preview 05-06 (2025) and Mistral Small 3.1 24B Instruct (2025) are compact production models from Google DeepMind and MistralAI. Gemini 2.5 Pro Preview 05-06 ships a 1m-token context window, while Mistral Small 3.1 24B Instruct ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Mistral Small 3.1 24B Instruct is ~1150% cheaper at $0.10/1M; pay for Gemini 2.5 Pro Preview 05-06 only for long-context analysis.

Decision scorecard

Local evidence first
SignalGemini 2.5 Pro Preview 05-06Mistral Small 3.1 24B Instruct
Best formultimodal apps and long-context analysismultimodal apps and provider-routed production
Decision fitRAG, Long context, and VisionRAG, Long context, and Vision
Context window1m128k
Cheapest output$10/1M tokens$0.30/1M tokens
Provider routes1 tracked6 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Gemini 2.5 Pro Preview 05-06 when...
  • Gemini 2.5 Pro Preview 05-06 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Gemini 2.5 Pro Preview 05-06 for RAG, Long context, and Vision.
Choose Mistral Small 3.1 24B Instruct when...
  • Mistral Small 3.1 24B Instruct has the lower cheapest tracked output price at $0.30/1M tokens.
  • Mistral Small 3.1 24B Instruct has broader tracked provider coverage for fallback and route flexibility.
  • 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 Mistral Small 3.1 24B Instruct

Gemini 2.5 Pro Preview 05-06

$3,500

Cheapest tracked route/tier: OpenRouter

Mistral Small 3.1 24B Instruct

$155

Cheapest tracked route/tier: Together AI

Estimated monthly gap: $3,345. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Gemini 2.5 Pro Preview 05-06 -> Mistral Small 3.1 24B Instruct
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Mistral Small 3.1 24B Instruct is $9.70/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
Mistral Small 3.1 24B Instruct -> Gemini 2.5 Pro Preview 05-06
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Gemini 2.5 Pro Preview 05-06 is $9.70/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.

Specs

Specification
Released2025-05-062025-12-15
Context window1m128k
Parameters—24B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryApache 2.0OSI-approved
OpennessProprietaryOpen source
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2025-012023-10

Pricing and availability

Pricing attributeGemini 2.5 Pro Preview 05-06Mistral Small 3.1 24B Instruct
Input price$1.25/1M tokens$0.10/1M tokens
Output price$10/1M tokens$0.30/1M tokens
Providers
OpenRouter
Cloudflare Workers AIOpenRouterFireworks AINVIDIA NIMTogether AIMistral AI Studio

Capabilities

CapabilityGemini 2.5 Pro Preview 05-06Mistral Small 3.1 24B Instruct
VisionYesYes
MultimodalYesYes
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsYesYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Model pages
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Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.