GPT-5.4legacy
OpenAI · released Feb 25, 2026
Efficient GPT released ahead of the 5.5 generation.
51.0
Podium Score
#302 of 673
1477
Arena Elo
18 on Arena
60 t/s
Output Speed
$10/M
Output Price
$2.5/M in
1.1M
Context Window
Scores by Source
Category Scores
📜 Long Context100.0
👁️ Multimodal73.7
🧠 Reasoning60.1
intelligence53.1
🤖 Agentic41.6
📐 Math32.1
💻 Coding23.4
Benchmark Results
GPQA Diamond92.8%
Browsecomp82.7%
MMMU-Pro81.2%
ARC-AGI-273.3%
MCP Atlas67.2%
SWE-Bench Pro57.7%
Toolathlon54.6%
FrontierMath47.6%
Humanity’s Last Exam39.8%
Model Details
| Release date | Feb 25, 2026 |
|---|---|
| Parameters | Not disclosed |
| License | Proprietary |
| Context Window | 1,100,000 tokens |
| Input Price | $2.5/M |
| Output Price | $10/M |
| Output Speed | 60 t/s |
| Time to First Token | — |