Claude Opus 5.5 vs Ember-1
Compare Claude Opus 5.5 from Anthropic and Ember-1 from Fireworks AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Overview
Analysis
Claude Opus 5.5 vs Ember-1 at a glance
| Attribute | Claude Opus 5.5 | Ember-1 |
|---|---|---|
| Input price | $4/M tokens | $3/M tokens |
| Output price | $20/M tokens | $15/M tokens |
| Context window | 1,000,000 tokens | 1,048,576 tokens |
| Intelligence Index | 59.1 | Not available |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 4.16 s | 0.45 s |
| Throughput (p50) | 75.0 tok/s | 69.0 tok/s |
| Provided by | Anthropic | Fireworks AI |
| Model page | Claude Opus 5.5 model details, providers and pricing | Ember-1 model details, providers and pricing |
Benchmark data updated
Frequently asked questions
Is Claude Opus 5.5 cheaper than Ember-1?
Ember-1 is cheaper than Claude Opus 5.5 on OpenRouter: Ember-1 costs $3/M tokens input and $15/M tokens output, while Claude Opus 5.5 costs $4/M tokens input and $20/M tokens output.
Which has the longer context window, Claude Opus 5.5 or Ember-1?
Ember-1 has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Opus 5.5.
Which is faster, Claude Opus 5.5 or Ember-1?
Claude Opus 5.5 is faster on OpenRouter, generating a median 75.0 tokens per second compared with 69.0 tokens per second for Ember-1.