Fireworks: Ember-1
fireworks/ember-1Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://openrouter.ai/moonshotai/kimi-k3).
Modalities
In / out per 1M$3.00 / $15
Context1M
ReleasedSep 24, 2026
Providers
1 provider serves this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
 Fireworks | $3.00 | $15 | $0.30 | 0.74s | 64 tps | 100% |
Market-wide measurements, refreshed every 15 minutes. They describe who serves Ember-1 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what Ember-1 costs pay-as-you-go elsewhere, not what you pay here.
Input
$3.00
per 1M tokens
Output
$15
per 1M tokens
Cache read
$0.30
per 1M cached tokens
Included in every pass
Ember-1 is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.
Performance
Time to first token and output speed across every provider, over the last 3 days.
0.0s10.0s20.0s30.0s40.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 5 PMOct 17, 3 AMOct 17, 2 PMOct 18, 4 AMOct 18, 3 PMOct 19, 2 AM
Median 90th percentile 99th percentile
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 5 PMOct 17, 3 AMOct 17, 2 PMOct 18, 4 AMOct 18, 3 PMOct 19, 2 AM
Median 90th percentile 99th percentile
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.64%
Oct 16, 10:00 AMNow
Availability over the last 24 hoursAvailability 99.37%
100% 95% 90% 85%
Oct 18, 10:20 AMNow
Apps
Tools that most often run Ember-1, by tokens this week.
Activity
13.5B tokens processed market-wide in the last month.
0500.0M1.0B1.5B2.0B
Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens
FAQ
Which model id do I use for Ember-1?
fireworks/ember-1. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Ember-1 hold?
1,048,576 tokens per request, of which up to 943,718 can be the response.
What can it accept and return?
Input: text, image. Output: text.
What does Ember-1 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $3.00 per 1M input tokens and $15 per 1M output tokens.
Who built Ember-1?
Fireworks, in the Ember family.
Explore
Other models your pass can call.
