Fireworks AI · Released Sep 22, 2026Ember-1
Specialized model from Fireworks built on Kimi K3, producing shorter reasoning traces with approximately 40% fewer tokens while maintaining comparable quality.
- Capability
- —No ECI score yet
- Input
- $3.00per 1M tokens
- Output
- $15.00per 1M tokens
- Context
- 1.05M131K max output
What it costs
- Input
- $3.00per million tokens
- Output
- $15.00per million tokens
- Blended (3:1)
- $6.00pricier than 91% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $13.50 |
| Team assistant25M input + 5M output tokens | $150.00 |
| Production app250M input + 50M output tokens | $1,500 |
Median of 7 paid API providers on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Ember-1 yet.
The details
- Lab
- Fireworks AI
- Released
- Sep 22, 2026
- Context window
- 1,048,576 tokens
- Max output
- 131,072 tokens
- Inputs
- Text, Images
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- Availability
- 7 API providerslisted on models.dev
About Ember-1
How much does Ember-1 cost?
Ember-1 costs $3.00 input / $15.00 output per million tokens (median across 7 API providers). At a 3:1 input-to-output mix that is $6.00 per million tokens, more expensive than 91% of the 445 priced models we track.
What is the context window of Ember-1?
Ember-1 accepts up to 1,048,576 tokens per request and can write up to 131,072 tokens in one response.
How good is Ember-1?
Epoch AI has not published a Capabilities Index score for Ember-1 yet.
Is Ember-1 open source?
No. Ember-1 is proprietary; you use it through an API or partner platforms.
What inputs does Ember-1 support?
Ember-1 accepts text and images and replies in text. It is a reasoning model, supports tool calling.
When was Ember-1 released?
Fireworks AI released Ember-1 on Sep 22, 2026.
What are the best alternatives to Ember-1?
The closest current models from other labs on capability, price and release date are Qwen 3.8 Max Prime (Alibaba (Qwen), $4.00 / $12.00), MiMo-V2.6-Pro-UltraSpeed (Xiaomi, $4.35 / $8.70), Pareto (Unbiased, $2.57 / $7.72) and Kimi K3.1 Pro (Moonshot AI, $2.00 / $10.00).