Compare Gemini 4 Carbon from Google and Hy4 from tencent on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


| Attribute | Gemini 4 Carbon | Hy4 |
|---|---|---|
| Input price | $2/M tokens | $0.417/M tokens |
| Output price | $10/M tokens | $1.251/M tokens |
| Context window | 1,048,576 tokens | 1,048,576 tokens |
| Intelligence Index | 60.0 | 34.6 |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 9.36 s | 2.90 s |
| Throughput (p50) | 64.0 tok/s | 63.0 tok/s |
| Provided by | tencent | |
| Model page | Gemini 4 Carbon model details, providers and pricing | Hy4 model details, providers and pricing |
Benchmark data updated
Hy4 is cheaper than Gemini 4 Carbon on OpenRouter: Hy4 costs $0.417/M tokens input and $1.251/M tokens output, while Gemini 4 Carbon costs $2/M tokens input and $10/M tokens output.
Gemini 4 Carbon and Hy4 have the same context window of 1,048,576 tokens.
Gemini 4 Carbon is faster on OpenRouter, generating a median 64.0 tokens per second compared with 63.0 tokens per second for Hy4.