Mistral Large 2 (2407) vs o3
Mistral Large 2 (2407) (2024) and o3 (2025) are frontier reasoning models from MistralAI and OpenAI. Mistral Large 2 (2407) ships a 128k-token context window, while o3 ships a 200k-token context window. On pricing, Mistral Large 2 (2407) costs $0.50/1M input tokens versus $2/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Mistral Large 2 (2407) is ~300% cheaper at $0.50/1M; pay for o3 only for coding workflow support.
Decision scorecard
Local evidence first| Signal | Mistral Large 2 (2407) | o3 |
|---|---|---|
| Best for | multimodal apps and provider-routed production | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | RAG, Long context, and Vision | Coding, RAG, and Agents |
| Context window | 128k | 200k |
| Cheapest output | $1.50/1M tokens | $8/1M tokens |
| Provider routes | 3 tracked | 3 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Mistral Large 2 (2407) has the lower cheapest tracked output price at $1.50/1M tokens.
- Local decision data tags Mistral Large 2 (2407) for RAG, Long context, and Vision.
- o3 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- o3 uniquely exposes Multimodal, Reasoning, and JSON / Tool use in local model data.
- Local decision data tags o3 for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Mistral Large 2 (2407)
$775
Cheapest tracked route/tier: Chutes AI
o3
$3,600
Cheapest tracked route/tier: OpenAI API
Estimated monthly gap: $2,825. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Mistral Large 2 (2407) and o3; plan for SDK, billing, or endpoint changes.
- o3 is $6.50/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- o3 adds Multimodal, Reasoning, and JSON / Tool use in local capability data.
- No overlapping tracked provider route is sourced for o3 and Mistral Large 2 (2407); plan for SDK, billing, or endpoint changes.
- Mistral Large 2 (2407) is $6.50/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Multimodal, Reasoning, and JSON / Tool use before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-07-23 | 2025-04-16 |
| Context window | 128k | 200k |
| Parameters | 123B | — |
| Architecture | Decoder Only | Decoder Only |
| License | Mistral License | Proprietary |
| Openness | Open weights | Proprietary |
| Weights | Unknown | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: non-commercial | Commercial use: conditional |
| Knowledge cutoff | 2024-03 | 2024-06 |
Pricing and availability
| Pricing attribute | Mistral Large 2 (2407) | o3 |
|---|---|---|
| Input price | $0.50/1M tokens | $2/1M tokens |
| Output price | $1.50/1M tokens | $8/1M tokens |
| Providers |
Capabilities
| Capability | Mistral Large 2 (2407) | o3 |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | No | Yes |
| Reasoning | No | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | Yes |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Continue comparing
Popular comparisons for Mistral Large 2 (2407)
Popular comparisons for o3
Last reviewed: 2026-06-30. Data sourced from public model cards and provider documentation.