Gemini 1.5 Flash is 97% cheaper than Grok 2 on blended 3:1 token pricing. Grok 2 costs $2.00/1M in and $10.00/1M out, while Gemini 1.5 Flash costs $0.07/1M in and $0.30/1M out.
Grok 2 vs Gemini 1.5 Flash
Compare verified input/output token rates, prompt caching discounts, latency tiers, and context limits between xAI and Google.
| Metric / Feature | Grok 2 (xAI) | Gemini 1.5 Flash (Google) |
|---|---|---|
| Input Price ($ / 1M Tokens) | $2.00 | $0.07 |
| Output Price ($ / 1M Tokens) | $10.00 | $0.30 |
| Prompt Caching Input Rate | Not Available | $0.019/1M |
| Blended 3:1 Rate (Production) | $4.000 / 1M | $0.131 / 1M |
| Max Context Window | 131k | 128k |
| Multimodal Vision | ✅ Supported | ✅ Supported |
| MMLU Benchmark | 87.5% | 78.9% |
| Throughput & Latency | Fast (~45 t/s) | Ultra-Fast (~100 t/s) |
| Best For | Real-time news synthesis, coding, uncensored creative reasoning | High-frequency API calls, audio processing, bulk document summarization |
When to Choose Grok 2
Choose Grok 2 if your workload requires real-time news synthesis, coding, uncensored creative reasoning. Ideal for teams needing xAI'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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