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