Gemini 1.5 Flash vs Codestral

Performance benchmarks + pricing comparison — updated April 2026

Gemini 1.5 Flash

Google

Cheapest Gemini model. Good for high-volume, simple tasks.

Input$0.075/M
Output$0.300/M
Context1M tokens
Best ForHigh-volume simple tasks, cost optimization

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

Cost Comparison by Scenario

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

ScenarioGemini 1.5 FlashCodestralSavings
Small Script (1K lines) $0.01 $0.04 Gemini 1.5 Flash saves $0.03 (69%)
Medium Feature (10K lines) $0.09 $0.29 Gemini 1.5 Flash saves $0.20 (70%)
Large Project (50K lines) $0.43 $1.43 Gemini 1.5 Flash saves $0.99 (70%)
Code Review (5K lines) $0.02 $0.07 Gemini 1.5 Flash saves $0.05 (73%)

Verdict

Gemini 1.5 Flash wins on both price and performance — $0.075/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models