Not probed. OpenRouter lists audio input, but that does not mean audio survives inside a video clip. Run `pnpm probe-audio` to settle it.
Gemini 4 Hydrogen is the high-efficiency workhorse model of the Gemini 4 family from Google, built for high-throughput agentic workflows, coding and multi-model routing at lower cost and latency than...
| Field | Per token (USD) | Per million |
|---|---|---|
| prompt | 0.00000075 | $0.750 |
| completion | 0.00000375 | $3.75 |
| image | 0.00000075 | $0.750 |
| audio | 0.00000075 | $0.750 |
| input_audio_cache | 0.0000000375 | $0.037 |
| web_search | 0.014 | $14000 |
| internal_reasoning | 0.00000375 | $3.75 |
| input_cache_read | 0.0000000375 | $0.037 |
| input_cache_write | 0.0000000833333333333333 | $0.083 |
{
"temperature": null,
"top_p": null,
"top_k": null,
"frequency_penalty": null,
"presence_penalty": null,
"repetition_penalty": null
}