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Mercury 2.5

Inception

Strongest in Legal (#119 of 151), weakest in Agents (#207 of 268). Above par in 0 of 12 scopes. Among the models it meets almost everywhere, it finishes behind Claude Fable 5 and GPT-6 Astra and ahead of Command A and Grok Build 0.1.

§ 1 · Profile

What it is good at

Bars run from 50 — the average of the models each source lists — so right of the line is above par. The middle column is the gap to whoever leads that scope.

Reasoning40.7#151/178
Mathematics35.9#125/140
Coding40#153/165
Agentic coding38.5#149/157
Core abilities44.2#157/204
General intelligence41.6#161/204
Professional38.7#160/168
Legal42.7#119/151
Medical32.5#137/140
Finance35#144/151
Agents43.6#207/268
Knowledge work41.7#125/178

§ 2 · Head to head

What it beats, and what beats it

The same models turn up scope after scope. Counted once: where both were placed, who finished higher. Bars run right for Mercury 2.5, left for the other.

GPT-4o Miniwon 7 · lost 4
Grok Build 0.1won 5 · lost 3
Command Awon 6 · lost 5
Mistral Small 3.1won 4 · lost 4
Granite 4.2 3Bwon 4 · lost 4
Granite 4.2 8Bwon 4 · lost 4
Llama 4 Scout Instructwon 5 · lost 5
GPT-4.1 Nanowon 6 · lost 6
Gemini 3.1 Flash Litewon 5 · lost 7
Nemotron 3.5 Lightningwon 4 · lost 6
Magistral Small 1.2won 3 · lost 5
Claude 3.5 Haikuwon 3 · lost 6
Ling 3.0 Flashwon 3 · lost 6
Gemini 3.5 Flash Litewon 4 · lost 8
Mistral Large 3won 4 · lost 8
Ling 3.0 Flash Finwon 3 · lost 7
Qwen3.6 27Bwon 3 · lost 8
GPT-5.4 Miniwon 3 · lost 8
GPT-4owon 2 · lost 6
Magistral Medium 1.2won 2 · lost 6
Kimi K2.7 Codewon 2 · lost 6
Mistral Smallwon 2 · lost 6
Grok 4.3won 3 · lost 9
GPT-5.4 Nanowon 3 · lost 9
Mistral Medium 3.5won 3 · lost 9
DeepSeek R1won 3 · lost 9
Grok 4.1 Fastwon 2 · lost 7
O3 Miniwon 2 · lost 8
Grok 4 Fastwon 2 · lost 8
Nemotron 3 Ultrawon 2 · lost 9
Qwen3.6 Pluswon 2 · lost 10
MiniMax M3won 2 · lost 10
DeepSeek V3won 2 · lost 10
Gemini 2.5 Prowon 2 · lost 10
Mistral Medium 3.1won 1 · lost 7
Qwen3.7 Pluswon 1 · lost 8
GPT-5 Nanowon 1 · lost 8
Gemini 2.0 Flashwon 1 · lost 9
GPT OSS 20Bwon 1 · lost 9
Grok 4.20won 1 · lost 9
Kimi K2.6won 1 · lost 11
GPT OSS 120Bwon 1 · lost 11
Gemini 3 Flashwon 0 · lost 8
Qwen 3.5 Pluswon 0 · lost 8
Qwen3.5 Flashwon 0 · lost 8
MiniMax M2.1won 0 · lost 8
DeepSeek V4won 0 · lost 8
O1won 0 · lost 8
Hy4won 0 · lost 8
K2 Horizon 3.7Bwon 0 · lost 8
K2 Horizon 7Bwon 0 · lost 8
GLM-4.5won 0 · lost 8
Grok 3won 0 · lost 8
Qwen3.8 Flash Nextwon 0 · lost 8
Claude 3.7 Sonnetwon 0 · lost 9
Gemini 2.5 Flash Litewon 0 · lost 9
Grok 3 Miniwon 0 · lost 9
Muse Sparkwon 0 · lost 10
Inkling Smallwon 0 · lost 10
MiniMax M2.7won 0 · lost 10
GPT-5.1won 0 · lost 10
Mimo V2.5won 0 · lost 10
GLM-4.7won 0 · lost 10
GLM-5.1won 0 · lost 10
MiniMax M2.5won 0 · lost 10
Claude Opus 4.6won 0 · lost 10
Gemma 4 31Bwon 0 · lost 10
Kimi K2 Thinkingwon 0 · lost 10
Qwen3 235B A22B Instructwon 0 · lost 10
Qwen3 Maxwon 0 · lost 10
Claude Opus 4won 0 · lost 10
GLM-5won 0 · lost 10
Kimi K2won 0 · lost 11
GPT-4.1won 0 · lost 11
Gemini 2.5 Flashwon 0 · lost 11
Claude Opus 4.5won 0 · lost 11
GPT-5.2won 0 · lost 11
O4 Miniwon 0 · lost 11
O3won 0 · lost 11
Grok 4won 0 · lost 11
Mimo V2.6 Prowon 0 · lost 11
Gemini 3 Prowon 0 · lost 11
Muse Spark 1.3won 0 · lost 11
GPT-6 Lunawon 0 · lost 12
GPT-5.6 Lunawon 0 · lost 12
Claude Haiku 4.5won 0 · lost 12
GLM-5.3 Flashwon 0 · lost 12
Inklingwon 0 · lost 12
GLM-5.2won 0 · lost 12
Claude Sonnet 4.6won 0 · lost 12
GLM-4.6won 0 · lost 12
Muse Spark 1.1won 0 · lost 12
GPT-4.1 Miniwon 0 · lost 12
Claude Sonnet 5won 0 · lost 12
DeepSeek V3.2won 0 · lost 12
Mimo V2.5 Prowon 0 · lost 12
Gemini 3.6 Flashwon 0 · lost 12
DeepSeek V4 Flashwon 0 · lost 12
Qwen3.7 Maxwon 0 · lost 12
Claude Sonnet 4.5won 0 · lost 12
Gemini 3.5 Flashwon 0 · lost 12
Qwen3.8 27Bwon 0 · lost 12
GLM-5.3won 0 · lost 12
Claude Opus 4.8won 0 · lost 12
DeepSeek V4 Prowon 0 · lost 12
Muse Spark 1.2won 0 · lost 12
Claude Opus 4.7won 0 · lost 12
GPT-5.6 Terrawon 0 · lost 12
Claude Opus 5won 0 · lost 12
GPT-5 Miniwon 0 · lost 12
Gemini 3.8 Flashwon 0 · lost 12
GPT-5.4won 0 · lost 12
GPT-5won 0 · lost 12
Claude Sonnet 4won 0 · lost 12
Grok 4.5won 0 · lost 12
Gemini 3.7 Flashwon 0 · lost 12
Grok 4.6won 0 · lost 12
DeepSeek V4.1 Flashwon 0 · lost 12
Grok 4.7won 0 · lost 12
Qwen3.8 Maxwon 0 · lost 12
Kimi K2.5won 0 · lost 12
Gemini 3.1 Prowon 0 · lost 12
Kimi K3won 0 · lost 12
GPT-6 Solwon 0 · lost 12
GPT-5.6 Solwon 0 · lost 12
Claude Opus 5.5won 0 · lost 12
GPT-5.5won 0 · lost 12
Claude Fable 5.1won 0 · lost 12
GPT-6 Astrawon 0 · lost 12
Claude Fable 5won 0 · lost 12

§ 3 · Sources

Where the numbers come from

4 publications, 12 figures. Every one links to the page it was read from.

Artificial Analysis ↗1 measureread 2026-09-26
Artificial Analysis Intelligence Index 12
GDPval-AA ↗1 measureread 2026-09-26
GDPval-AA 462
AA-Briefcase ↗1 measureread 2026-09-26
AA-Briefcase 377
Vals.ai ↗9 measuresread 2026-09-26
Vals · Legal Research Bench 4.33%Vals · LegalBench 83.06%Vals · Harvey Legal Agent Benchmark 0%Vals · Finance Agent 18.56%Vals · MedCode 31.33%Vals · MedScribe 55.09%Vals · Vibe Code Bench 3.68% (OpenHands)Vals · Code Migration 4.49%Vals · ProofBench 3%

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