Compare Claude Sonnet 5.5 from Anthropic and Gemini 4 Argon from Google on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
| Attribute | Claude Sonnet 5.5 | Gemini 4 Argon |
|---|---|---|
| Input price | $2/M tokens | $2/M tokens |
| Output price | $10/M tokens | $10/M tokens |
| Context window | 1,000,000 tokens | 1,048,576 tokens |
| Intelligence Index | 54.5 | 50.4 |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 2.09 s | 4.11 s |
| Throughput (p50) | 106.0 tok/s | 38.0 tok/s |
| Provided by | Anthropic | |
| Model page | Claude Sonnet 5.5 model details, providers and pricing | Gemini 4 Argon model details, providers and pricing |
Benchmark data updated
Claude Sonnet 5.5 and Gemini 4 Argon cost the same on OpenRouter: $2/M tokens input and $10/M tokens output.
Gemini 4 Argon has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Sonnet 5.5.
Claude Sonnet 5.5 is faster on OpenRouter, generating a median 106.0 tokens per second compared with 38.0 tokens per second for Gemini 4 Argon.