Ember-1
Creator unattributedChatunverified match
Specialized model from Fireworks built on Kimi K3, producing shorter reasoning traces with approximately 40% fewer tokens while maintaining comparable quality
- Context
- 1.05M tokens
- Max output
- 131,072 tokens
- Released
- 2026-09-22
- Weights
- Closed
unknown/ember-1 · also seen as fireworks/ember-1, accounts/fireworks/models/ember-1, fireworks/ember-1-20260923
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-09-22
- Weights
- Closed
- Input
- Text, Image
- Output
- Text
- Context window
- 1,048,576 max across endpoints
- Max output
- 131,072
- Providers
- 1 + 5 gateways, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $3.00 in · $15 out per 1M tokens · from its one provider
More details
- Last updated
- 2026-09-24
- Knowledge cutoff
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $3.00 in / $15 out per 1M tokens at Fireworks AI on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs Ember-1 |
|---|---|---|---|---|---|
| Claude Sonnet 3.5Anthropic | $5.00 | $3.00 | $15 | 200K | +0% |
| Claude Sonnet 3.7Anthropic | $5.00 | $3.00 | $15 | 200K | +0% |
| Claude Sonnet 4.6Anthropic | $5.00 | $3.00 | $15 | 1M | +0% |
| Sonar ProPerplexity | $5.00 | $3.00 | $15 | 200K | +0% |
| Sonar Pro SearchPerplexity | $5.00 | $3.00 | $15 | 200K | +0% |
| Grok 3xAI | $5.00 | $3.00 | $15 | 131K | +0% |
| Grok 4xAI | $5.00 | $3.00 | $15 | 262K | +0% |
| MiMo-V2.6-Pro-UltraSpeedXiaomi | $5.08 | $4.35 | $8.70 | 1.05M | +2% |
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|---|---|---|---|
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