Model Comparison

GPT-5 CodexMistral Large
Let's see who can write code better - GPT-5 Codex or Mistral Large

Model Information

GPT-5 Codex

OpenAI

Description

Flagship model from OpenAI optimised for coding tasks

Specifications

Context Window272K
Max Output33K
ReleasedSep 2025
API

Pricing (per 1M)

In / Out
$1.25/ $10

Key Features

CodingAdvanced reasoningMulti-modal native

Strengths

  • State-of-the-art performance
  • Optimised for coding
  • Large context window

Weaknesses

  • Likely very expensive
  • Unknown specifications

Agent Support

No known agents

Mistral Large

Mistral AI

Description

Flagship model with strong reasoning and multilingual capabilities

Specifications

Context Window128K
Max Output4K
ReleasedJul 2024
API

Pricing (per 1M)

In / Out
$2/ $6

Key Features

Function callingStrong multilingualCode generationReasoning capabilities

Strengths

  • Good price-performance ratio
  • Strong European language support
  • Reliable API
  • Good at following instructions

Weaknesses

  • Smaller ecosystem
  • Less capable than GPT-4/Claude
  • Limited multimodal support

Agent Support

No known agents