Benchmark Almanac

Mercury 3

Mercury 3 places in the top three on AA-LCR 1.1.

Inception Labs Released 19 Oct 2026 Family Mercury The lab's model card
24
Benchmarks with a score
0
Ranked first, out of five or more models
1
In the top three
Inception Labs Oct 2026

Mercury 3

Closed weights Flagship

No Epoch Capabilities Index score yet
  • IFBench 76.8% #17 /70
  • AA-Omniscience 46.4% #6 /17
  • Legal Research Bench 28.9% #56 /88

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 76.8% #17 of 70 Model card
AA-Omniscience 46.4% #6 of 17 Model card
MRCR v2 75.5% #13 of 27 Model card
MultiChallenge 60.4% #19 of 36 Model card
AA-LCR 1.1 77.7% #3 of 5 Model card

Math and science

BenchmarkScoreRankSource
GPQA Diamond 89.2% #37 of 284 Model card

Coding

BenchmarkScoreRankSource
Vibe Code Bench 60.9% #55 of 115 Official leaderboard
SWE Atlas 51.1% #7 of 11 Model card
Code Migration v1.1 39.3% #21 of 29 Official leaderboard
DeepSWE 46.3% #44 of 51 Model card

Agents and tools

BenchmarkScoreRankSource
LLM Chess 1,308 #11 of 124 Official leaderboard
τ³-bench Banking 30.2% #8 of 20 Model card
BrowseComp-Plus 55.2% #2 of 4 Model card
DeepSearchQA 71.3% #20 of 22 Model card

Professional work

BenchmarkScoreRankSource
Legal Research Bench 28.9% #56 of 88 Official leaderboard
Tax Agent Bench 18.2% #53 of 79 Official leaderboard
Harvey LAB v1.1 (HLAB-Vals-1.1) 5.00% #26 of 33 Official leaderboard
Vals Legal Index 63% #27 of 33 Official leaderboard
Vals Finance Agent v2.1 54.7% #30 of 35 Official leaderboard
Vals Index v2.2 43.7% #28 of 32 Official leaderboard
Vals Finance Index 47.2% #31 of 35 Official leaderboard
Excel Modeling Benchmark v1.1 57.9% #34 of 37 Official leaderboard
GDPval-AA v2.1 1,237 #8 of 8 Model card

Safety and security

BenchmarkScoreRankSource
OncologyBench 8.00% #26 of 30 Official leaderboard

Its launch post

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