Gemini 2.5 Flash vs Gemini 1.5 Flash
Side-by-side pricing and cost comparison for AI coding projects.
Gemini 2.5 Flash
GoogleFast and affordable Google model. Great for high-volume coding and processing.
| Input | $0.150/M |
| Output | $0.600/M |
| Context | 1M tokens |
| Best For | High-volume coding, data processing, fast responses |
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 |
Cost Comparison by Scenario
| Scenario | Gemini 2.5 Flash | Gemini 1.5 Flash | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.02 | $0.01 | Gemini 1.5 Flash saves $0.01 (50%) |
| Medium Feature (10K lines) | $0.17 | $0.09 | Gemini 1.5 Flash saves $0.09 (50%) |
| Large Project (50K lines) | $0.86 | $0.43 | Gemini 1.5 Flash saves $0.43 (50%) |
| Code Review (5K lines) | $0.04 | $0.02 | Gemini 1.5 Flash saves $0.02 (50%) |
Verdict
Gemini 1.5 Flash is cheaper at $0.075/M input vs $0.150/M for Gemini 2.5 Flash.
For a typical medium feature project, Gemini 1.5 Flash costs $0.09 compared to $0.17 for Gemini 2.5 Flash.
However, Gemini 2.5 Flash may offer high-volume coding, data processing, fast responses — choose based on your specific needs.
Compare with Other Models
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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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