Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://ask-coreai.com). It is designed to make every token go further: it produces shorter reasoning traces, using roughly 40%...
With CoreAI, you can start chatting with Fireworks: Ember-1 instantly — no separate subscription needed. CoreAI lets you chat with Fireworks: Ember-1 alongside 300+ other AI models from Fireworks and other providers like OpenAI, Anthropic, Google, Meta, and more.
Among the 444 chat models on CoreAI, Fireworks: Ember-1 ranks #44 by context window — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. On price, it is the #22 cheapest of 67 premium-tier models by input cost. It joined the catalog on 2026-09-24. It supports step-by-step reasoning (thinking mode) and accepts image input.
Every model in this table is available on CoreAI — open the web app and run the same prompt through Fireworks: Ember-1 and Meta: Muse Wonder side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.0105 on Fireworks: Ember-1's raw per-token rates; a heavy session with a 50K-token document costs about $0.225. On CoreAI you don't juggle these numbers — one subscription covers Fireworks: Ember-1 and 300+ other models under a plan usage limit, with no API keys. See plans.
Fireworks: Ember-1 handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
Fireworks: Ember-1's underlying rates are $3 per 1M input tokens and $15 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
Yes — Fireworks: Ember-1 accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Fireworks: Ember-1 can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick Fireworks: Ember-1 in the model selector, and chat — no API key, no per-token billing. One subscription covers Fireworks: Ember-1 and 300+ other models.
The closest alternatives on CoreAI are Meta: Muse Wonder, DeepSeek: DeepSeek V4 Flash Latest — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with Fireworks: Ember-1 and 300+ other AI models — all in one app.