Mercury 2.5

Composite indexes

• Artificial Analysis Intelligence Index#87 of 142
  12independentIntelligence Index v4.3; reasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: Claude Opus 5.5 at 58

Coding

• SciCode#76 of 94
  38.5%independentreasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: Claude Opus 5.5 at 66.9%

• Terminal-Bench 4.0#88 of 88
  0%independentreasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: Claude Mythos 5.1 at 60.9%

Agents and tool use

• GDPval-AA#79 of 103
  462independentreasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: Claude Opus 5.5 at 1846

Reasoning and knowledge

• Humanity’s Last Exam#90 of 147
  11.8%independentno tools; reasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: Claude Opus 5.5 at 61.4%

• CritPt#135 of 139
  0%independentreasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: GPT-5.6 Sol at 32.3%

Vision and long context

• AA Long Context Reasoning#72 of 139
  71.7%independentreasoningArtificial Analysis: Mercury 2.5 ↗

  Leader: Kimi K3 at 88.7%

Other published results