Ember-1 vs Particle-1
Ember-1 leads the LLM Stats Score 42.5 to 31.8. Particle-1 is 13.7x cheaper per token.
Fireworks AI · Particle AI · Updated for 2026
Which is better?
Ember-1 leads the overall LLM Stats Score 42.5 to 31.8, ranking #66 overall.
On price, Particle-1 is roughly 13.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Particle-1 also accepts a larger context window (1,048,576 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 Ember-1
- overall performance matters — it scores 42.5 and ranks #66 on LLM Stats
Choose Particle-1
- cost matters — it's about 13.7x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Oct 2026
At a glance
The differences that matter most.
Individual benchmarks
4 reported for Ember-1 · 3 for Particle-1
Ember-1 and Particle-1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Ember-1 ($3.00/1M tokens) is 12.0x more expensive than Particle-1 ($0.25/1M tokens).
For output processing, Ember-1 ($15.00/1M tokens) is 15.0x more expensive than Particle-1 ($1.00/1M tokens).
In conclusion, Ember-1 is more expensive than Particle-1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Particle-1 accepts 1,048,576 input tokens compared to Ember-1's 1,040,000 tokens. Only Particle-1 specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
Particle-1 supports multimodal inputs, whereas Ember-1 does not.
Particle-1 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Ember-1
Particle-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
Ember-1 was released on 2026-09-23, while Particle-1 was released on 2026-10-28.
Particle-1 is 1 month newer than Ember-1.
Sep 23, 2026
1 months ago
Oct 28, 2026
1 weeks ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Ember-1 is available from Fireworks. Particle-1 is available from Particle AI.
Ember-1
Particle-1
Outputs Comparison
Judge for yourself.
Run your own prompts against Ember-1 and Particle-1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Ember-1 vs Particle-1.