ModelRefs / o3 Pro vs Mistral Large 2
o3 Pro vs Mistral Large 2
o3 Pro vs Mistral Large 2: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Mistral Large 2: Mistral Large 2 is Mistral AI's 2024 flagship commercial model with a 128,000-token context window, built for instruction following, multilingual tasks and function calling in agentic workflows. Both releases are now retired on Mistral's own API: mistral-large-2407 on 30 March 2025, replaced by Mistral Large 3, and mistral-large-2411 on 31 May 2026, replaced by Mistral Medium 3.5.
o3 Pro: o3 Pro is OpenAI's highest-capability reasoning model, applying extended compute at inference time to solve complex scientific, mathematical, and programming problems. It achieved the highest published scores on ARC-AGI-2 and competitive programming benchmarks at its June 2025 release.
Context window: Mistral Large 2 accepts up to 128,000 tokens, o3 Pro up to 200,000. Confirm the limit for your specific deployment channel before relying on it.
Mistral Large 2 vs o3 Pro at a glance
| Attribute | Mistral Large 2 | o3 Pro |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Released | 2024-11-01 | 2025-06-10 |
| Context window | 128,000 tokens | 200,000 tokens |
| Input price | $2/M tokens | $20/M tokens |
| Output price | $6/M tokens | $80/M tokens |
| Licence | Mistral Commercial | Proprietary |
| Self-hostable | No, hosted only | No, hosted only |
| Modalities | text | text, vision |
Where they differ most
- Reasoning: Mistral Large 2 86%, o3 Pro 32%. Mistral Large 2 leads on this dimension.
- Instruction Following: Mistral Large 2 86%, o3 Pro 85%. Mistral Large 2 leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to o3 Pro vs Mistral Large 2.
Frequently asked questions
Which is better, o3 Pro or Mistral Large 2?
o3 Pro and Mistral Large 2 target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is o3 Pro cheaper than Mistral Large 2?
Compare $0.0200 vs $0.00200 on this page.