Nous Hermes 3 405B Instruct vs Perplexity Sonar
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
- Both cost about the same at a typical 3:1 input/output mix.
- Both accept prompts up to 127K tokens.
- Sonar's best provider was more reliable over 24 h: 100% vs 96.7%.
- Sonar is the newer model (released 2025-01-27).
| Hermes 3 405B Instruct | Sonar | |
|---|---|---|
| Vendor | Nous | Perplexity |
| Released | 2024-08-16 | 2025-01-27 |
| Input / 1M | $1.00 | $1.00 |
| Output / 1M | $1.00 | $1.00 |
| Cached input / 1M | — | — |
| Blended / 1M (3:1) | $1.00 | $1.00 |
| Context | 131K | 127K |
| Max output | 16K | 114K |
| Accepts | text | text, image |
| Reasoning | No | No |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $1.00 | $1.00 |
| Best provider uptime, 24 h | 96.7% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
Hermes 3 405B Instruct
$75.00 per month$2.50 per day
Sonar
$75.00 per month$2.50 per day
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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