GPT-4o (05-13) vs Mistral Small 3.1 24B Instruct
GPT-4o (05-13) (2024) and Mistral Small 3.1 24B Instruct (2025) are compact production models from OpenAI and MistralAI. GPT-4o (05-13) ships a 128K-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 $2.5/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Mistral Small 3.1 24B Instruct is ~2400% cheaper at $0.1/1M; pay for GPT-4o (05-13) only for coding workflow support.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-13 | 2025-12-15 |
| Context window | 128K | 128K |
| Parameters | 1.76T (8x222B MoE)* | 24B |
| Architecture | mixture of experts | dense |
| License | Proprietary | Apache 2.0 |
| Knowledge cutoff | 2023-10 | - |
Pricing and availability
| Pricing attribute | GPT-4o (05-13) | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Input price | $2.5/1M tokens | $0.1/1M tokens |
| Output price | $10/1M tokens | $0.3/1M tokens |
| Providers |
Capabilities
| Capability | GPT-4o (05-13) | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | No | No |
| Function calling | No | 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 code execution: GPT-4o (05-13). 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, GPT-4o (05-13) lists $2.5/1M input and $10/1M 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 $4.59 per million blended tokens. Availability is 4 providers versus 5, so concentration risk also matters.
Choose GPT-4o (05-13) when coding workflow support are central to the workload. Choose Mistral Small 3.1 24B Instruct when vision-heavy evaluation, lower input-token cost, 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. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, GPT-4o (05-13) or Mistral Small 3.1 24B Instruct?
GPT-4o (05-13) supports 128K 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, GPT-4o (05-13) or Mistral Small 3.1 24B Instruct?
Mistral Small 3.1 24B Instruct is cheaper on tracked token pricing. GPT-4o (05-13) costs $2.5/1M input and $10/1M 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 GPT-4o (05-13) or Mistral Small 3.1 24B Instruct open source?
GPT-4o (05-13) is listed under Proprietary. 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, GPT-4o (05-13) or Mistral Small 3.1 24B Instruct?
Both GPT-4o (05-13) 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, GPT-4o (05-13) or Mistral Small 3.1 24B Instruct?
Both GPT-4o (05-13) 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 GPT-4o (05-13) and Mistral Small 3.1 24B Instruct?
GPT-4o (05-13) is available on Azure OpenAI, OpenAI API, OpenRouter, and Replicate API. 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.
Continue comparing
Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.