Mistral Small 3.1 vs GPT-5.1 Codex mini
Side-by-side comparison of pricing and capabilities
Mistral Small 3.1
GPT-5.1 Codex mini
Input Price Comparison
| Attribute | Mistral Small 3.1 | GPT-5.1 Codex mini |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Input Price | $0.1 /1M tokens | $0.25 /1M tokens |
| Output Price | $0.3 /1M tokens | $2 /1M tokens |
| Cached Input | $0.010 /1M tokens | $0.025 /1M tokens |
| Context Window | 131K | 400K |
| Type | chat | chat |
| Status | current | current |
Capability Comparison
| Capability | Mistral Small 3.1 | GPT-5.1 Codex mini |
|---|---|---|
| coding | ||
| multilingual |
Which should you choose?
Budget-conscious: Mistral Small 3.1 is 60% cheaper on input tokens ($0.1 vs $0.25 per 1M tokens).
Context-heavy tasks: GPT-5.1 Codex mini offers a larger context window (400K vs 131K), making it better for long documents or conversations.
Capability fit: Mistral Small 3.1 supports 2 capabilities (coding, multilingual), while GPT-5.1 Codex mini supports 1 (coding).
Frequently Asked Questions
Which is cheaper: Mistral Small 3.1 or GPT-5.1 Codex mini?
Mistral Small 3.1 costs $0.1/1M input vs GPT-5.1 Codex mini at $0.25/1M input. Mistral Small 3.1 is 60% cheaper on input tokens.
How do output prices compare between Mistral Small 3.1 and GPT-5.1 Codex mini?
Mistral Small 3.1 output: $0.3/1M, GPT-5.1 Codex mini output: $2/1M. Mistral Small 3.1 is more economical for generation-heavy workloads.
What is Mistral Small 3.1 best used for?
Mistral Small 3.1 is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is GPT-5.1 Codex mini best used for?
GPT-5.1 Codex mini is suited for complex reasoning, analysis, and tasks that benefit from its coding capabilities.