Compare Models

Ember-1

Ember-1 is a model from Fireworks, released September 22, 2026. It ranks #27 of 45 models on the Vals Index with 50.81%. Its best result is #16 of 110 on Vibe Code Bench v1.1.

Release Date: Sep 22, 2026

Developer Fireworks  🇺🇸
Context Window 1M
Max Output Tokens 131k
Token Costs (in/out) $3.00/15.00
Weights Private
Input Modalities

Accuracy

50.81 % ± 1.28

Cost / Test (Vals Index)

$ 9.578

Latency

71 min 1 s

Vals Index
BenchmarksAccuracyRankings
Vals Index

50.81%

±1.28
27/45
Code Migration

32.51%

±4.63
36/75
CyberBench v1.1

69.52%

±5.56
22/45
EMB

63.37%

±2.95
26/72
Finance Agent (v2)

51.85%

±2.12
34/76
Legal Research Bench

44.71%

±3.46
17/75
MysteryMechanism

22.52%

±2.81
17/25
ProofBench v1.1

61.00%

±4.90
19/48
Public Benefits Bench v1.1

66.17%

±1.23
17/48
Tax Agent Bench

31.08%

±3.34
21/67
Vibe Code Bench v1.1

83.87%

±3.15
16/110
BioMysteryBench

67.04%

±3.03
17/25
Harvey's Legal Agent Benchmark

9.17%

±2.44
20/76
IOI

46.33%

±9.16
28/42
Terminal-Bench 4.0

19.70%

±3.15
23/45
Terminal-Bench Science

5.71%

±2.79
22/39
Proprietary BenchmarksAcademic BenchmarksIndustry Partners
Vals
Default Provider : Fireworks AI
Temperature: Default
Top P: Default
Top K: Default
Max Output Tokens: 131,072