Claude 3.5 Sonnet vs Mistral Small 3.1 24B Instruct
Claude 3.5 Sonnet (2024) and Mistral Small 3.1 24B Instruct (2025) are frontier reasoning models from Anthropic and MistralAI. Claude 3.5 Sonnet ships a 200K-token context window, while Mistral Small 3.1 24B Instruct ships a 128K-token context window. On pricing, Mistral Small 3.1 24B Instruct costs $0.1/1M input tokens versus $3/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Mistral Small 3.1 24B Instruct is ~2900% cheaper at $0.1/1M; pay for Claude 3.5 Sonnet only for coding workflow support.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-06-20 | 2025-12-15 |
| Context window | 200K | 128K |
| Parameters | 70B | 24B |
| Architecture | decoder only | dense |
| License | Unknown | Apache 2.0 |
| Knowledge cutoff | 2024-04 | - |
Pricing and availability
| Pricing attribute | Claude 3.5 Sonnet | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Input price | $3/1M tokens | $0.1/1M tokens |
| Output price | $15/1M tokens | $0.3/1M tokens |
| Providers |
Capabilities
| Capability | Claude 3.5 Sonnet | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | No |
| Tool use | No | No |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on reasoning mode: Claude 3.5 Sonnet, function calling: Claude 3.5 Sonnet, and code execution: Claude 3.5 Sonnet. Both models share vision, multimodal input, and 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, Claude 3.5 Sonnet lists $3/1M input and $15/1M output tokens, while Mistral Small 3.1 24B Instruct lists $0.1/1M input and $0.3/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Mistral Small 3.1 24B Instruct lower by about $6.44 per million blended tokens. Availability is 6 providers versus 5, so concentration risk also matters.
Choose Claude 3.5 Sonnet when coding workflow support, larger context windows, and broader provider choice are central to the workload. Choose Mistral Small 3.1 24B Instruct when vision-heavy evaluation and lower input-token cost 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, Claude 3.5 Sonnet or Mistral Small 3.1 24B Instruct?
Claude 3.5 Sonnet supports 200K tokens, while Mistral Small 3.1 24B Instruct supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Claude 3.5 Sonnet or Mistral Small 3.1 24B Instruct?
Mistral Small 3.1 24B Instruct is cheaper on tracked token pricing. Claude 3.5 Sonnet costs $3/1M input and $15/1M output tokens. Mistral Small 3.1 24B Instruct costs $0.1/1M input and $0.3/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Claude 3.5 Sonnet or Mistral Small 3.1 24B Instruct open source?
Claude 3.5 Sonnet is listed under Unknown. 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, Claude 3.5 Sonnet or Mistral Small 3.1 24B Instruct?
Both Claude 3.5 Sonnet and Mistral Small 3.1 24B Instruct expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for multimodal input, Claude 3.5 Sonnet or Mistral Small 3.1 24B Instruct?
Both Claude 3.5 Sonnet and Mistral Small 3.1 24B Instruct expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Claude 3.5 Sonnet and Mistral Small 3.1 24B Instruct?
Claude 3.5 Sonnet is available on GCP Vertex AI, AWS Bedrock, Anthropic, OpenRouter, and Microsoft Foundry. Mistral Small 3.1 24B Instruct is available on OpenRouter, Fireworks AI, NVIDIA NIM, Together AI, and Mistral AI Studio. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.