Claude Sonnet 5.5 vs Ember-1
Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| Claude Sonnet 5.5 | Ember-1 | |
|---|---|---|
| Company | Anthropic | Fireworks Ai |
| Released | Sep 2026 | Sep 2026 |
| Context window | 1.0M | 1.0M |
| Input /1M tokens | $2 | $3 |
| Output /1M tokens | $10 | $15 |
| Open weights | No | No |
Benchmarks
No published benchmark scores yet for either model — scores appear here automatically once measured.
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.