OpenAI

GPT-5legacy

The 2025 GPT flagship that unified chat and reasoning modes.

#518released Aug 6, 2025·Proprietary·Not disclosed
textimage400K ctx
API providersGet API Key →Leaderboard
Intelligence
23.0 #518
Top 70% tier
Output Speed
60 t/s
ITL 16.7 ms/tok
Blended price (3:1)
$4.375 /1M
In $2.5/M · Out $10/M
Context
400K
≈ 1,000 A4 pages · max out 8,192

Quality Domain Radar

6-Axis Frontier Evaluation vs Category Average & Flagship

GPT-5
Claude Mythos Preview (#1)
Average (68)
Coding (15)Mathematics (15)Hard Science (GPQA) (39)Agentic & Tool Use (21)Knowledge (MMLU) (22)Vision / Multimodal (71.9)

Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.

API deployment

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Model Details

Release date
Aug 6, 2025
Parameters
Not disclosed
License
Proprietary
Context Window
400,000 tokens
Input Price
$2.5/M
Output Price
$10/M
Output Speed
60 t/s
Time to First Token
—

Estimated monthly bill

Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...

Cite & embed

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BibTeX
@misc{llmpodium2026gpt5,
  title = {Benchmark Analysis and Intelligence Evaluation of GPT-5},
  author = {LLMPodium Research},
  year = {2026},
  url = {https://llmpodium.com/models/gpt-5}
}

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