GPT-4o vs Codestral

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o

OpenAI

OpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.

Input$2.50/M
Output$10.00/M
Context128K tokens
Best ForGeneral coding, multimodal tasks, chatbots
Benchmark75/100

Codestral

Mistral

Mistral's dedicated coding model. Open-weight and highly optimized for code generation and completion.

Input$0.300/M
Output$0.900/M
Context128K tokens
Best ForCode completion, code generation, IDE integration
Benchmark60/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkGPT-4oCodestralLeader
Overall Score 75 60 GPT-4o leads by 15pts
SWE-bench Verified 70 54 GPT-4o leads by 16pts
LiveCodeBench 78 64 GPT-4o leads by 14pts
HumanEval 90 82 GPT-4o leads by 8pts
BigCodeBench 62 44 GPT-4o leads by 18pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-4oCodestralSavings
Small Script (1K lines) $0.41 $0.04 Codestral saves $0.37 (91%)
Medium Feature (10K lines) $3.06 $0.29 Codestral saves $2.78 (91%)
Large Project (50K lines) $15.31 $1.43 Codestral saves $13.89 (91%)
Code Review (5K lines) $0.78 $0.07 Codestral saves $0.71 (90%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
GPT-4o 75 $0.033/pt Higher cost per point
Codestral 60 $0.005/pt Better value

Codestral delivers the best value at $0.005 per score point.

Strengths & Weaknesses

GPT-4o

  • + Strong general-purpose
  • + Good multimodal
  • - Less consistent on coding than Claude

Codestral

  • + Code-specialized
  • + Very cheap
  • - Narrow focus

Verdict

Codestral is cheaper at $0.300/M, but GPT-4o scores higher on benchmarks (75 vs 60).

Choose Codestral for cost-sensitive projects, GPT-4o when performance matters most.

Compare with Other Models