Mercury 3

Mercury 3 is a model from Inception, released October 19, 2026. It ranks #23 of 26 models on the Vals Index with 43.66%. Its best result is #54 of 118 on Vibe Code Bench v1.1.

Release Date: Oct 19, 2026

Developer Inception Β πŸ‡ΊπŸ‡Έ
Context Window 1M
Max Output Tokens 131k
Token Costs (in/out) $0.10/0.35
Weights Private
Input Modalities

Accuracy

43.66 % Β± 1.23

Cost / Test (Vals Index)

$ 0.478

Latency

22 min 6 s

Fallback Rate 0.00%
Refusal Rate 0.14%
Vals Index
BenchmarksAccuracyRankings

43.66%

Β±1.23
23/26

47.22%

Β±1.47
27/30

39.26%

Β±3.17
21/28

57.88%

Β±2.91
30/32

54.71%

Β±1.99
26/30

28.85%

Β±3.15
53/84

18.17%

Β±2.54
51/75

60.93%

Β±5.38
54/118

5.00%

Β±1.61
22/27

3.03%

Β±0.00
47/54
Proprietary BenchmarksAcademic BenchmarksIndustry Partners
Vals
Default Provider : Inception
Temperature: Default
Top P: Default
Top K: Default
Max Output Tokens: 131,072
Reasoning Effort: high