Benchmark Almanac

Mercury 2

Mercury 2.

Inception Labs Released February 20th, 2026 Compare with others
21
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
Inception Labs Feb 2026

Mercury 2

Closed weights

No Epoch Capabilities Index score yet
  • IFBench 71% #40 /80
  • SciCode 38% #33 /49
  • WeirdML 43.2% #66 /112

Where it ranks

Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.

Knowledge and language

BenchmarkScoreRankSource
IFBench 71% #40 of 80 Lab model card
LMArena (Elo) 1,343 #187 of 335 Official leaderboard
StudyArena Text 1,222 #52 of 85 Official leaderboard
Vectara Hallucination Leaderboard (2025 dataset) 12.3% #84 of 104 Official leaderboard
DesignArena ASCII Art 981 #77 of 77 Official leaderboard

Math and science

BenchmarkScoreRankSource
GPQA Diamond 74% #156 of 302 Lab model card

Coding

BenchmarkScoreRankSource
WeirdML 43.2% #66 of 112 Official leaderboard
SciCode 38% #33 of 49 Lab model card
ALE-Bench 1,190 #86 of 126 Official leaderboard
DesignArena Website 1,011 #131 of 151 Official leaderboard
DesignArena Code 997 #129 of 143 Official leaderboard
DesignArena UI Component 970 #126 of 139 Official leaderboard
DesignArena Game Dev 963 #131 of 143 Official leaderboard
DesignArena 3D Design 956 #125 of 136 Official leaderboard
DesignArena SVG 991 #95 of 103 Official leaderboard
DesignArena Data Visualization 1,012 #112 of 118 Official leaderboard
Code Arena 1,171 #125 of 128 Official leaderboard
WebDev Arena 1,167 #103 of 105 arena.ai, via Epoch AI

Agents and tools

BenchmarkScoreRankSource
SnakeBench 28 #49 of 188 Official leaderboard
PinchBench 2.0 39.5% #52 of 57 Official leaderboard

Safety and security

BenchmarkScoreRankSource
nocot-bench (NCRI) 55.1 #155 of 185 Official leaderboard

Its launch post

The benchmarks the lab chose to headline, with the scores it gave.