GPT-5.1 Codex mini vs Mistral Medium 3
Side-by-side comparison of pricing and capabilities
GPT-5.1 Codex mini
Mistral Medium 3
Input Price Comparison
| Attribute | GPT-5.1 Codex mini | Mistral Medium 3 |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Input Price | $0.25 /1M tokens | $0.4 /1M tokens |
| Output Price | $2 /1M tokens | $2 /1M tokens |
| Cached Input | $0.025 /1M tokens | $0.040 /1M tokens |
| Context Window | 400K | 131K |
| Type | chat | chat |
| Status | current | current |
Capability Comparison
| Capability | GPT-5.1 Codex mini | Mistral Medium 3 |
|---|---|---|
| coding | ||
| reasoning | ||
| multilingual |
Which should you choose?
Budget-conscious: GPT-5.1 Codex mini is 38% cheaper on input tokens ($0.25 vs $0.4 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: GPT-5.1 Codex mini supports 1 capabilities (coding), while Mistral Medium 3 supports 3 (coding, reasoning, multilingual).
Frequently Asked Questions
Which is cheaper: GPT-5.1 Codex mini or Mistral Medium 3?
GPT-5.1 Codex mini costs $0.25/1M input vs Mistral Medium 3 at $0.4/1M input. GPT-5.1 Codex mini is 38% cheaper on input tokens.
How do output prices compare between GPT-5.1 Codex mini and Mistral Medium 3?
GPT-5.1 Codex mini output: $2/1M, Mistral Medium 3 output: $2/1M. Mistral Medium 3 is more economical for generation-heavy workloads.
What is GPT-5.1 Codex mini best used for?
GPT-5.1 Codex mini is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is Mistral Medium 3 best used for?
Mistral Medium 3 is suited for complex reasoning, analysis, and tasks that benefit from its coding and reasoning capabilities.