Compare Gemini 2.5 Pro Experimental from Google and GPT-4o (2024-11-20) from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Gemini 2.5 Pro Experimental and GPT-4o (2024-11-20) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 2.5 Pro Experimental, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.
GPT-4o (2024-11-20), from OpenAI, has a 128,000-token context window and is priced at $2.50/M tokens input, $10/M tokens output on OpenRouter.
| Attribute | Gemini 2.5 Pro Experimental | GPT-4o (2024-11-20) |
|---|---|---|
| Input price | Pricing varies by provider | $2.50/M tokens |
| Output price | Pricing varies by provider | $10/M tokens |
| Context window | 1,048,576 tokens | 128,000 tokens |
| Intelligence Index | 15.0 | 8.4 |
| Coding Index | 46.7 | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | Not available | 0.92 s |
| Throughput (p50) | Not available | 85.0 tok/s |
Benchmark data updated
Gemini 2.5 Pro Experimental has the longer context window at 1,048,576 tokens, compared with 128,000 tokens for GPT-4o (2024-11-20).