Fireworks: Ember-1
fireworks/ember-1
Ember-1 is a specialized reasoning model from Fireworks Research, built on Kimi K3. It is designed to make every token go further: it produces shorter reasoning traces, using roughly 40% fewer tokens than the base model while maintaining comparable quality across Fireworks' evaluations. It is suited for coding, knowledge work, and agentic workflows where reasoning cost and latency matter.
Model specifications
- Input
- text, image
- Output
- text
- Context
- 1,048,576 tokens
- Max output
- 1,048,576 tokens
- Input price
- $0 / 1M tokens
- Output price
- $0 / 1M tokens
- Released
- 2026-09-27
Capabilities
- Streaming
- Function calling
- Vision
- JSON mode
Provider pricing, discounts and data privacy
Compare effective provider prices, published discounts, regions, retention policies, training use, compliance, and privacy links by service tier.
Standard service tier
1 available provider
Fireworks
Tier: Standard · Region: US
No provider discount is currently published.
Data privacy and compliance
- Region
- US
- Zero data retention
- Yes
- Data retention
- Zero retention
- Used for training
- No
- Data collection
- Moderated
- No
- GDPR compliant
- No
- HIPAA compliant
- No
- SOC 2 certified
- No
- BYOK supported
- No
Privacy policy · Terms · Official website · Documentation · Status
Frequently asked questions
- What is Fireworks: Ember-1?
- Ember-1 is a specialized reasoning model from Fireworks Research, built on Kimi K3. It is designed to make every token go further: it produces shorter reasoning traces, using roughly 40% fewer tokens than the base model while maintaining comparable quality across Fireworks' evaluations. It is suited for coding, knowledge work, and agentic workflows where reasoning cost and latency matter.
- How much does Fireworks: Ember-1 cost?
- Input costs start at $0 / 1M tokens and output costs start at $0 / 1M tokens. Provider-level prices vary by service tier.
- What is the context length of Fireworks: Ember-1?
- Fireworks: Ember-1 supports a 1,048,576 token context window and up to 1,048,576 output tokens.
- What capabilities does Fireworks: Ember-1 support?
- Fireworks: Ember-1 supports Streaming, Function calling, Vision, JSON mode.
- Which providers offer Fireworks: Ember-1?
- Fireworks: Ember-1 is available from Fireworks.
- How do providers handle data privacy for Fireworks: Ember-1?
- 1 of 1 providers report that customer data is not used for training, and 1 offer zero-data-retention routing. Retention, compliance, and privacy-policy links are listed per provider.