Ember-1
Fireworks · Proprietary · Released Sep 24, 2026 · fireworks/ember-1
Best $3.00 in / $15.00 out via Fireworks
1.05M contextVisionToolsReasoningStructured outputPrompt caching
Available from 1 providerUSD / MTOK · PRICES 20 MINUTES AGO · SPEED 9 DAYS AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 Fireworks1ST PARTY | $3.00 | $15.00 | $0.30 | 1.05M | — | 1.2s | 96 tok/s | 100.0% |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 9 days ago
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Pricing variants · USD / MTok in / out
STANDARD
$3.00 / $15.00
per MTok in / out
CACHE READ $0.30
Recent changesRSS ↗
Nov 5, 2026endpoint removed · cheaperinference2 → 1
Oct 23, 2026endpoint added · cheaperinference1 → 2
Sep 25, 2026model added
About
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%...
Specifications
Context window1,048,576
Max output943,718
Modalities intext, image
Modalities outtext
LicenseProprietary
ReleasedSep 24, 2026
TokenizerOther
Embed badge
[](https://modelindex.ai/models/fireworks/ember-1)Sources
OpenRouter API20 minutes ago
AGGREGATORModelIndex benchmarks9 days ago
MEASUREDVerified 20 minutes ago · list prices, not negotiated rates.