Ember-1 – Model Docs — Person.run

Ember-1

Ember-1 is Fireworks’ research-preview reasoning model built on Kimi K3 for coding and agentic workflows. It supports image input, function calling, and a 1M-token context window. Fireworks reports approximately 40% fewer generated tokens while maintaining comparable quality across its evaluations, helping reduce the cost of workloads with extensive reasoning.

Model overview

Model ID: fireworks/ember-1
Provider: fireworks
Type: language
Context window: 1,048,576 tokens
Max output tokens: 1,048,576

Tags: implicit-caching, reasoning, tool-use, vision

Model pricing

Metric	Value
`Input tokens (/1M)`	`$3.00`
`Output tokens (/1M)`	`$15.00`
`Image generation`	`n/a`
`Cached input read (/1M)`	`$0.30`
`Cached input write (/1M)`	`n/a`
`Pricing source`	`gateway`

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