Model comparison
Codestral vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 30.1 on the Noometry Index. Codestral costs 150× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Mistral AISummary
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 19.1.
- Codestral is cheaper at $0.30 / $0.90 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 256K.
- Codestral has downloadable open weights; the other is API-only.
Side by side
| Codestral | GPT-5.4 Pro | |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Noometry Index | 30.1 | 58.8 |
| Released | 2024-05-29 | 2026-03-05 |
| Weights | Open | Proprietary |
| Context window | 256K | 1.05M |
| Max output | 4K | 128K |
| Input $ / M tokens | $0.30 | $30 |
| Output $ / M tokens | $0.90 | $180 |
| Results tracked | 7 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
Codestral: 26.9 (#316), GPT-5.4 Pro: 42.6 (#89)
| Benchmark | Codestral | GPT-5.4 Pro |
|---|---|---|
| Aider Polyglot | 11.1% | — |
| WeirdML | — | 57.4% |
| BigCodeBench Instruct | 41.8% | — |
| BigCodeBench Complete | 52.5% | — |
| ALE-Bench | 137.78 | — |
| HumanEval+ | 73.8% | — |
| MBPP+ | 61.9% | — |
Reasoning GPT-5.4 Pro leads
Codestral: 19.1 (#244), GPT-5.4 Pro: 71.0 (#10)
| Benchmark | Codestral | GPT-5.4 Pro |
|---|---|---|
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| Kagi LLM Benchmark | 32.5% | — |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| Epoch Capabilities Index | — | 159.12 |
Math Not comparable
Codestral: —, GPT-5.4 Pro: 72.0 (#17)
| Benchmark | Codestral | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge Not comparable
Codestral: —, GPT-5.4 Pro: 68.3 (#6)
| Benchmark | Codestral | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |
Frequently asked questions
Is Codestral better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 30.1 on the Noometry Index. Codestral costs 150× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Which is cheaper, Codestral or GPT-5.4 Pro?
Codestral is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; GPT-5.4 Pro lists at $30 and $180.
Is Codestral or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 26.9 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 Pro does, with 1.05M tokens against 256K.
How many benchmarks do Codestral and GPT-5.4 Pro share?
0 benchmarks have published results for both models. Codestral has 7 scored results on Noometry and GPT-5.4 Pro has 16.