How much does Ember-1 cost per million tokens?

Ember-1 costs $3 per million input tokens and $15 per million output tokens at list price, and $0.3 per million cached input tokens.

What is the context window of Ember-1?

Ember-1 accepts up to 1,048,576 tokens of context and returns up to 943,718 output tokens.

How much do 1,000 chat messages cost with Ember-1?

About $10.50, assuming 1,000 input + 500 output tokens per message.

Is there a cheaper alternative to Ember-1?

In the same price range, OpenAI GPT-6.1 Sol Pro ($2 / $10), OpenAI GPT-6.1 Sol ($2 / $10), Anthropic Claude Sonnet 5.5 ($2 / $10) cost less per token. Quality differs: test on your own prompts.

Where can I buy Fireworks API credits for less?

Discount credit books resell OpenRouter usage below face value within their depth, OpenRouter adds a 5.5% card fee, and Fireworks sells its own credits at face value. The live table on this page ranks them for $100 of usage.

Fireworks · live price

Ember-1 API pricing

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%...

Frontier (blended $5+ per 1M)Tool callingReasoningimage input

Input: $3; per 1M tokens
Output: $15; per 1M tokens
Cached input: $0.3; per 1M tokens
Context: 1.0M; 944K max output

List price from OpenRouter, which passes Fireworks's price through without markup. Refreshed hourly. Released September 24, 2026. Model id fireworks/ember-1.

What Ember-1 costs in practice

At list price, before any batch or caching discount.

1,000 chat messages

$10.50

1,000 input + 500 output tokens each

1,000 RAG questions

$31.50

8,000 input + 500 output tokens each

100 coding-agent steps

$12.00

30,000 input + 2,000 output tokens each, no caching

Ember-1 price history

No price change since we started tracking on 2026-10-01. We record prices daily; changes will show here.

Ember-1 price by host

One host serves this model through OpenRouter.

Fireworks$3 in · $15 out · 1.0M ctx · 100.0% uptime 24h

Where to buy Fireworks credits for less

Ember-1 costs the same per token everywhere it's sold through OpenRouter. What changes is the price of the credits. Live quotes for $100 of usage:

#	Where you buy	You payYou pay for $100.00 of usage	vs list price	Price source
1	OrbioCardCheapest right now Credits from a discount book, plus a 5% platform fee and card processing, both included in the quote.	$85.10 incl. $2.60 card processing	-14.9%	live quote
2	smaaartCard Credits from a discount book, plus a 5% platform fee on face value. Card processing and taxes shown at checkout.	$95.00 + card processing and tax at checkout (not in this number)	-5.0%	live quote
3	Direct from the labCard Prepaid credits at face value (OpenAI, Anthropic, Google…). Taxes may apply.	$100.00 no top-up fee	list price	face value
4	OpenRouterCrypto 5% on crypto purchases. No markup on model prices.	$105.00 fees included	+5.0%	published fee
5	OpenRouterCard 5.5% on card purchases, $0.80 minimum. No markup on model prices.	$105.50 fees included	+5.5%	published fee

Disclosure: this site is run by the team behind smaaart, one of the options compared. Tables are ranked by price only, from live quotes and published fees, including when smaaart isn't first. How we compare

Ember-1 cost calculator

Enter your monthly tokens to price your own usage.

Model$3.00 in / $15.00 out per 1M tokens · list price, liveInput tokens / month (millions)Output tokens / month (millions)

Usage at list price$300.00/ month

Cheaper alternatives to Ember-1

Other labs' models in the same price range or the one below, cheaper per token.

Model	Input / 1M	Output / 1M	Blended 3:1	Context
OpenAI: GPT-6.1 Sol Pro	$2	$10	$4	1.1M
OpenAI: GPT-6.1 Sol	$2	$10	$4	1.1M
Anthropic: Claude Sonnet 5.5	$2	$10	$4	1M
Z.ai: GLM 5.3 Prime	$2.80	$8.80	$4.30	1M
OpenAI: GPT-6 Sol Pro	$2	$10	$4	1.1M
OpenAI: GPT-6 Sol	$2	$10	$4	1.1M