Claude Haiku 4.5 vs Ember-1
Ember-1 leads the LLM Stats Score 43.1 to 25.6. Claude Haiku 4.5 is 3.0x cheaper per token.
Anthropic · Fireworks AI · Updated for 2026
Which is better?
Ember-1 leads the overall LLM Stats Score 43.1 to 25.6, ranking #51 overall.
In the 2 individual benchmarks reported for both models, Ember-1 wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, Claude Haiku 4.5 is roughly 3.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
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 Haiku 4.5
- cost matters — it's about 3.0x cheaper per token
Choose Ember-1
- overall performance matters — it scores 43.1 and ranks #51 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 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
12 reported for Claude Haiku 4.5 · 4 for Ember-1
Claude Haiku 4.5 outperforms in 0 benchmarks, while Ember-1 is better at 2 benchmarks (SWE-Bench Verified, Tau2 Airline).
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 Haiku 4.5 ($1.00/1M tokens) is 3.0x cheaper than Ember-1 ($3.00/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 3.0x cheaper than Ember-1 ($15.00/1M tokens).
In conclusion, Ember-1 is more expensive than Claude Haiku 4.5.*
* 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 Haiku 4.5's 200,000 tokens. Only Claude Haiku 4.5 specifies output context (64,000 tokens).
Input capabilities
Documented input modalities across available providers
Claude Haiku 4.5 supports multimodal inputs, whereas Ember-1 does not.
Claude Haiku 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Haiku 4.5
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 Haiku 4.5 was released on 2025-10-15, while Ember-1 was released on 2026-09-23.
Ember-1 is 11 months newer than Claude Haiku 4.5.
Oct 15, 2025
11 months ago
Sep 23, 2026
2 weeks ago
11mo newerKnowledge Cutoff
When training data ends
Claude Haiku 4.5 has a documented knowledge cutoff of 2025-02-01, while Ember-1's cutoff date is not specified.
We can confirm Claude Haiku 4.5's training data extends to 2025-02-01, but cannot make a direct comparison without Ember-1's cutoff date.
Feb 2025
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Provider Availability
Claude Haiku 4.5 is available from Anthropic, DeepInfra, Vertex AI. Ember-1 is available from Fireworks.
Claude Haiku 4.5
Ember-1
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and Ember-1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Haiku 4.5 vs Ember-1.