LLM Reference

Codex 1 vs Mistral Large 2

Codex 1 (2025) and Mistral Large 2 (2025) compare a coding-specialized model against a standalone API model. Codex 1 ships a 192k-token context window, while Mistral Large 2 ships a 128k-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: Codex 1 is coding-specialized model, while Mistral Large 2 is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalCodex 1Mistral Large 2
Product typeCoding-specialized modelStandalone API model
Best forcustom coding agents and code generationmultimodal apps, tool-calling agents, and provider-routed production
Decision fitCoding, Agents, and Long contextCoding, RAG, and Agents
Context window192k128k
Cheapest output-$2.40/1M tokens
Provider routes0 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Codex 1 when...
  • Codex 1 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Codex 1 uniquely exposes Reasoning and Code execution in local model data.
  • Local decision data tags Codex 1 for Coding, Agents, and Long context.
Choose Mistral Large 2 when...
  • Mistral Large 2 has broader tracked provider coverage for fallback and route flexibility.
  • Mistral Large 2 uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
  • Local decision data tags Mistral Large 2 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.

Codex 1

Unavailable

No complete token price in local provider data

Mistral Large 2

$984

Cheapest tracked route/tier: AWS Bedrock

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Codex 1 -> Mistral Large 2
  • No overlapping tracked provider route is sourced for Codex 1 and Mistral Large 2; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Reasoning and Code execution before moving production traffic.
  • Mistral Large 2 adds Vision, Multimodal, and JSON / Tool use in local capability data.
Mistral Large 2 -> Codex 1
  • No overlapping tracked provider route is sourced for Mistral Large 2 and Codex 1; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
  • Codex 1 adds Reasoning and Code execution in local capability data.

Specs

Specification
Released2025-05-162025-11-25
Context window192k128k
Parameters—123B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryMistral License
OpennessProprietaryOpen weights
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: non-commercial
Knowledge cutoff-2025-07

Pricing and availability

Pricing attributeCodex 1Mistral Large 2
Input price-$0.48/1M tokens
Output price-$2.40/1M tokens
Providers-
IBM watsonxAWS BedrockMistral AI Studio

Capabilities

CapabilityCodex 1Mistral Large 2
VisionNoYes
MultimodalNoYes
ReasoningYesNo
JSON / Tool useNoYes
Structured outputsNoYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Model pages
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Last reviewed: 2026-06-16. Data sourced from public model cards and provider documentation.