Gemini 1.5 Flash is 25% cheaper than Gemini 2.0 Flash on blended 3:1 token pricing. Gemini 1.5 Flash costs $0.07/1M in and $0.30/1M out, while Gemini 2.0 Flash costs $0.10/1M in and $0.40/1M out.
Gemini 1.5 Flash vs Gemini 2.0 Flash
Compare verified input/output token rates, prompt caching discounts, latency tiers, and context limits between Google and Google.
| Metric / Feature | Gemini 1.5 Flash (Google) | Gemini 2.0 Flash (Google) |
|---|---|---|
| Input Price ($ / 1M Tokens) | $0.07 | $0.10 |
| Output Price ($ / 1M Tokens) | $0.30 | $0.40 |
| Prompt Caching Input Rate | $0.019/1M | $0.025/1M |
| Blended 3:1 Rate (Production) | $0.131 / 1M | $0.175 / 1M |
| Max Context Window | 128k | 128k |
| Multimodal Vision | ✅ Supported | ✅ Supported |
| MMLU Benchmark | 78.9% | 84.6% |
| Throughput & Latency | Ultra-Fast (~100 t/s) | Ultra-Fast (~110 t/s) |
| Best For | High-frequency API calls, audio processing, bulk document summarization | Real-time multimodal voice/video streaming, low-latency agent loops |
When to Choose Gemini 1.5 Flash
Choose Gemini 1.5 Flash if your workload requires high-frequency api calls, audio processing, bulk document summarization. Ideal for teams needing Google's infrastructure and ecosystem tooling.
When to Choose Gemini 2.0 Flash
Choose Gemini 2.0 Flash if your primary objective is real-time multimodal voice/video streaming, low-latency agent loops. Ideal for scaling high-throughput pipelines with Google.
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