Home › Compare › Anthropic: Claude Opus 5.5 vs Fireworks: Ember-1
Anthropic: Claude Opus 5.5 vs Fireworks: Ember-1: API Pricing Compared
Comparing Anthropic: Claude Opus 5.5 and Fireworks: Ember-1: on combined input+output list price, Fireworks: Ember-1 is cheaper at $18 vs $24 per 1M tokens — a difference of $6 (25%). Anthropic: Claude Opus 5.5 costs $4 in / $20 out with a 1,000,000-token context; Fireworks: Ember-1 costs $3 in / $15 out with a 1,048,576-token context.
| Anthropic: Claude Opus 5.5 | Fireworks: Ember-1 | |
|---|---|---|
| Input /1M | $4 | $3 |
| Output /1M | $20 | $15 |
| Cached input /1M | $0.2 | $0.3 |
| Context window | 1,000,000 | 1,048,576 |
| Max output tokens | 128,000 | 943,718 |
| Cost @ 10M in + 2M out / mo | $80 | $60 |
Estimate your own workload in the cost calculator, or open the full pages for Anthropic: Claude Opus 5.5 and Fireworks: Ember-1.
Frequently asked questions
Which is cheaper, Anthropic: Claude Opus 5.5 or Fireworks: Ember-1?
Fireworks: Ember-1 is cheaper on combined list price: $18 vs $24 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Anthropic: Claude Opus 5.5 costs $80 and Fireworks: Ember-1 costs $60.
Which has the larger context window, Anthropic: Claude Opus 5.5 or Fireworks: Ember-1?
Anthropic: Claude Opus 5.5 has a context window of 1,000,000 tokens; Fireworks: Ember-1 has 1,048,576 tokens. The larger one is Fireworks: Ember-1.
Price snapshot October 21, 2026, refreshed daily.