Model Comparison 2026

Codestral vs GPT-5.4 Mini

Codestral
Mistral · Budget · Proprietary
$0.48/1M · 256K ctx
GPT-5.4 Mini
OpenAI · Budget · Proprietary
$1.88/1M · 400K ctx

Community Vote

Pick a winner in each dimension — change your vote anytime.

Output Quality
Correctness and depth of what it produces
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for $
How much capability you get per dollar
Reliability
Consistent results — fewer refusals, loops, and format breaks

Specs & Pricing, Side by Side

Spec
Codestral
GPT-5.4 Mini
Maker
Mistral
OpenAI
Blended price / 1M
$0.48
$1.88
Input / output
$0.30 in · $0.90 out / 1M tokens
$0.75 in · $4.50 out / 1M tokens
Context window
256K
400K
Open weights
No
No
Tool use
Yes
Yes
Reasoning
No
Yes
Output Quality
6.8
8.0
Agentic Ability
6.5
8.1
Speed
9.5
9.0
Value for $
8.9
8.2
Reliability
8.8
8.7

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: Codestral or GPT-5.4 Mini?

Updated 2026-06-22

Choose Codestral if you want fast completions and lightweight code edits. Choose GPT-5.4 Mini if you want high-volume, low-complexity agent steps on a budget.

In our editorial scoring, Codestral leads in 3 of five dimensions (speed, value for $ and reliability), while GPT-5.4 Mini leads in 2. On price, Codestral runs about $0.48 per 1M tokens (blended) and is proprietary; GPT-5.4 Mini is about $1.88 and proprietary.

Where Codestral falls short
  • Not for deep agentic planning
  • Quality below the larger coders
Full Codestral breakdown →
Where GPT-5.4 Mini falls short
  • Not for hard reasoning or tricky refactors
  • Quality below the full GPT-5.4
Full GPT-5.4 Mini breakdown →

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