Model Comparison

GPT-5 CodexCodestral
Let's see who can write code better - GPT-5 Codex or Codestral

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

Codestral

Mistral AI

Description

Specialized code generation model from Mistral AI

Specifications

Context Window32K
Max Output4K
ReleasedMay 2024
API

Pricing (per 1M)

In / Out
$0.3/ $0.9

Key Features

Code generationCode completionMulti-language supportFast inference

Strengths

  • Optimized for coding tasks
  • Good performance
  • Cost-effective
  • Fast responses

Weaknesses

  • Limited to coding tasks
  • Smaller context than general models
  • Not suitable for general text tasks

Agent Support

No known agents