GPT-5.4 mini

Composite indexes

• Artificial Analysis Intelligence Index#59 of 142
  24independentAA Intelligence Index v4.3.2, xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Opus 5.5 at 58

Coding

• Terminal-Bench 4.0#39 of 88
  2%independentTerminal-Bench 4.0 (AA harness), xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Mythos 5.1 at 60.9%

• Terminal-Bench 2.x#51 of 103
  59.2%independentTerminal-Bench 2.1 (AA harness), xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Fable 5.1 at 91.4%

• SciCode#30 of 94
  52.1%independentxhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Opus 5.5 at 66.9%

Agents and tool use

• GDPval-AA#53 of 103
  1000independentGDPval-AA, xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Opus 5.5 at 1846

• τ²-Bench#29 of 88
  83.3%independenttelecom (AA), xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: GLM-5.2 at 99.1%

Reasoning and knowledge

• Humanity’s Last Exam#60 of 147
  28.1%independentno tools (AA), xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Opus 5.5 at 61.4%

• GPQA Diamond#47 of 142
  87.5%independentAA, xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: GPT-6 Astra at 96.1%

• CritPt#39 of 139
  10%independentxhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: GPT-5.6 Sol at 32.3%

• ARC-AGI-2#20 of 25
  18.9%independentsemi-private, XHighARC Prize leaderboard ↗

  Leader: GPT-6 Astra at 95%

Vision and long context

• AA Long Context Reasoning#52 of 139
  77%independentxhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Kimi K3 at 88.7%

• MMMU-Pro#43 of 72
  73.3%independentAA, xhighArtificial Analysis: GPT-5.4 mini (xhigh) ↗

  Leader: Claude Opus 5.5 at 87.7%

Human preference

• LMArena Text#35 of 54
  1448independentgpt-5.4-mini-high, style control default, vote cutoff 2026-09-13LMArena Text leaderboard ↗

  Leader: Claude Fable 5 at 1506

• LMArena WebDev#46 of 54
  1397independentgpt-5.4-mini-high, LMArena Code arena (formerly WebDev), vote cutoff 2026-09-23LMArena Code (WebDev) leaderboard ↗

  Leader: Claude Opus 5.5 at 1818

Other published results