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OpenAI

GPT-5.4 Mini

  • Released
  • Closed weights
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Intelligence Index

Extra high setting

24.1
Measured · Artificial Analysis v4.3.2
API price from
$0.75 in / $4.50 out / 1M tokOpenAI · direct API
Context window
400K tok

Performance profile

ReasoningArchived source
87.5%
GPQA Diamond
CodingArchived source
52.1%
SciCode
Cost efficiencyArchived source
58.7pts / $
Intelligence ÷ eval cost

Capabilities

Context window

Modalities

Reasoning modes

Integration

Reasoning trade-offs

Source (opens in a new tab)
Intelligence Index v4.3.2
GPT-5.4 Mini
Cost per task (USD) · log scale
GPT-5.4 MiniX-High
Intelligence Index
24.1
Cost / task
$0.4097
Evaluation time
3.9m

Pricing & access

API route
OpenAIAPI
Tier & contextStandard

USD per 1M tokens

Input
$0.75
Output
$4.50
Cached input
$0.075
Responses API tool compatibility (opens in a new tab)
  • Web search
  • File search
  • Image generation
  • Code execution
  • Shell
  • File edits
  • Skills
  • Computer use
  • MCP
  • Tool search

Benchmarks

Full leaderboardSource (opens in a new tab)

Humanity’s Last Exam

Frontier reasoning

GPT-5.4 Mini · Extra highArchived

  1. 1Claude Opus 5.5Max61.4%
  2. 2Claude Fable 5.1Max59.1%
  3. 3Gemini 4 ArgonHigh57.1%
  4. 4Claude Sonnet 5.5Max55.0%
  5. 5GPT-6 AstraMax54.7%
  6. 6Muse Wonder FullMax53.6%
  7. 7GPT-6.1 SolMax52.9%
  8. 8Muse WonderMax50.1%
  9. 9MiMo-V2.6-ProReasoning49.4%
  10. 10Muse Spark 1.3Max48.7%

Peers use their best measured result on this benchmark.