Google Gemini 3 Flash Preview vs Nous Hermes 4 405B
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Gemini 3 Flash Preview is 1.3× cheaper at a typical mix of 3 input tokens per output token.
- Gemini 3 Flash Preview accepts longer prompts: 1M vs 131K tokens.
- Gemini 3 Flash Preview is the newer model (released 2025-12-17).
| Gemini 3 Flash Preview | Hermes 4 405B | |
|---|---|---|
| Vendor | Nous | |
| Released | 2025-12-17 | 2025-08-26 |
| Input / 1M | $0.50 | $1.00 |
| Output / 1M | $3.00 | $3.00 |
| Cached input / 1M | $0.05 | $0.20 |
| Blended / 1M (3:1) | $1.13 | $1.50 |
| Context | 1M | 131K |
| Max output | 66K | 118K |
| Accepts | text, image, file, audio, video | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 6 | 1 |
| Cheapest provider, output | $3.00 | $3.00 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | — |
Cost calculator
Gemini 3 Flash Preview
$75.00 per month$2.50 per day
Hermes 4 405B
$105 per month$3.50 per day
Gemini 3 Flash Preview saves $30.00 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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