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#308

Ember-1

Fireworks Release: 2026-09-28 Tested on: 2026-09-30 23:03 fireworks/ember-1::none
~2.8T total (~104B active)MoEClosedEstimated
(max) (high) (low) (none)

Summary

Ember-1 scores 5.4 on AI BENCHY and ranks #308. It has 8.8 reliability, a 43.5% pass rate, $0.786 total cost, and 22.65s average response time.

What makes Ember-1 unique: It stands out most in Agentic, where it ranks #1, while Data parsing and extraction is its weakest area at #13.

Model facts

Researched on 2026-09-28

Estimated
Parameters
~2.8T total (~104B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Fireworks reports post-training on Kimi K3 for shorter reasoning. Architecture and parameter estimates inherit Kimi K3's reported 2.8T total and 104B active parameters; Ember-specific counts are not disclosed. The exact Ember checkpoint is offered as a serverless research preview, with no public weights identified.

Parameter source 1 Parameter source 2 Availability source

Score

5.4

Consistency

8.6

Reliability

8.8

Total Cost (Current Price)

$0.786

Total Output Tokens

11,832

Total Input Tokens

202,617

Input Price

$3.000 / 1M

Output Price

$15.000 / 1M

Cache Read Price

$0.300 / 1M

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 15

Attempt pass rate: 43.5%

Flaky tests

4

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

22.65s

Response Time (max): 93.12s

Response Time (total): 520.91s

Wrong answer: 10 API error: 5

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#308 Ember-1

none
Cost
$0.156
Time
224.6s
Tokens
10,555 tok

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-10-01 18:33 $3.000 / 1M $15.000 / 1M $0.300 / 1M N/A

Charts

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Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Agentic 6.1 3.1
Anti-AI Tricks 5.2 7.9
Coding 5.5 10.0
Combined 3.0 10.0
Data parsing and extraction 6.4 5.9
Domain specific 5.3 10.0
General Intelligence 5.0 10.0
Instructions following 6.4 5.8
Puzzle Solving 10.0 10.0
Tool Calling 3.0 10.0
Trivia 3.0 10.0

Compared models