GPT-5.4 (medium)
ModelActiveby OpenAI · family “gpt-medium”
Epoch Capabilities Index
Not scored by Epoch AI
Released
5 Mar 2026
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Input $ / 1M tokens
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Output $ / 1M tokens
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Cached input $ / 1M
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Each benchmark shown separately with its own source
Benchmark results (6)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| Mystery Game Puzzles | games | 28.0% ±4.5 | 33% | medium | 28 Aug 2026 | Epoch ↗ |
| Chess Puzzles | games | 38.0% ±4.9 | 53% | medium | 15 Jul 2026 | Eval log ↗ |
| ARC-AGI-2 | reasoning | 55.4% | 58% | medium | — | External ↗ |
| OTIS Mock AIME 2024-2025 | math | 95.6% ±3.1 | 96% | medium | 15 Jul 2026 | Eval log ↗ |
| GPQA diamond | science | 88.9% ±2.2 | 93% | medium | 15 Jul 2026 | Eval log ↗ |
| ARC-AGI | reasoning | 86.2% | 87% | medium | — | External ↗ |
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
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0 observations (OpenRouter listing). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Benchmark32d agoEpoch AI evaluates GPT-5.4 (medium)Epoch AI Benchmarking Hub
- Model launch7mo agoOpenAI releases GPT-5.4 (medium)Epoch AI Benchmarking Hub