Gemini 1.5 Flash vs GPT-4.1
Performance benchmarks + pricing comparison — updated April 2026
Gemini 1.5 Flash
GoogleCheapest Gemini model. Good for high-volume, simple tasks.
| Input | $0.075/M |
| Output | $0.300/M |
| Context | 1M tokens |
| Best For | High-volume simple tasks, cost optimization |
GPT-4.1
OpenAIUpdated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.
| Input | $2.00/M |
| Output | $8.00/M |
| Context | 128K tokens |
| Best For | Production coding, API development, complex instructions |
| Benchmark | 80/100 |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Gemini 1.5 Flash | GPT-4.1 | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.01 | $0.31 | Gemini 1.5 Flash saves $0.30 (96%) |
| Medium Feature (10K lines) | $0.09 | $2.30 | Gemini 1.5 Flash saves $2.21 (96%) |
| Large Project (50K lines) | $0.43 | $11.50 | Gemini 1.5 Flash saves $11.07 (96%) |
| Code Review (5K lines) | $0.02 | $0.55 | Gemini 1.5 Flash saves $0.53 (96%) |
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
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Claude Opus 4
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Claude 3.5 Sonnet
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Claude 3.5 Haiku
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Claude 3 Opus
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Claude 3 Sonnet
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