Claude 3.7 Sonnet vs Ember-1
Ember-1 leads the LLM Stats Score 43.6 to 23.9. Claude 3.7 Sonnet and Ember-1 cost the same.
Anthropic · Fireworks AI · Updated for 2026
Which is better?
Ember-1 leads the overall LLM Stats Score 43.6 to 23.9, ranking #45 overall.
In the 1 individual benchmarks reported for both models, Ember-1 wins 1; this is a narrower head-to-head signal than the composite indexes.
Ember-1 also accepts a larger context window (1,040,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude 3.7 Sonnet
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose Ember-1
- overall performance matters — it scores 43.6 and ranks #45 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you process long inputs — it offers a 1,040,000 token context window
- you want the most recent training data — it shipped Sep 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
11 reported for Claude 3.7 Sonnet · 4 for Ember-1
Claude 3.7 Sonnet outperforms in 0 benchmarks, while Ember-1 is better at 1 benchmark (SWE-Bench Verified).
Ember-1 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) costs the same as Ember-1 ($3.00/1M tokens).
For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) costs the same as Ember-1 ($15.00/1M tokens).
In conclusion, Claude 3.7 Sonnet and Ember-1 cost the same.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Ember-1 accepts 1,040,000 input tokens compared to Claude 3.7 Sonnet's 200,000 tokens. Only Claude 3.7 Sonnet specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Claude 3.7 Sonnet supports multimodal inputs, whereas Ember-1 does not.
Claude 3.7 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3.7 Sonnet
Ember-1
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3.7 Sonnet was released on 2025-02-24, while Ember-1 was released on 2026-09-23.
Ember-1 is 19 months newer than Claude 3.7 Sonnet.
Feb 24, 2025
1.6 years ago
Sep 23, 2026
2 weeks ago
1.6yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. Ember-1 is available from Fireworks.
Claude 3.7 Sonnet
Ember-1
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.7 Sonnet and Ember-1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.7 Sonnet vs Ember-1.