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OpenAIProprietary
GPT-5
GPT-5 is a foundational model developed by OpenAI. It is equipped with a 400K extensive context window and provides advanced general-purpose performance.
Parameters
Undisclosed
Context Window
400K
License
Proprietary
Release Date
2025-08-07
API Pricing
API pricing for this model is not yet available
Strengths
- ・400K long context length
- ・Advanced design by OpenAI
- ・Strong performance as a foundational model
Weaknesses
- ・Closed-source license
- ・Model internals are non-public
- ・Potential commercial use restrictions
Use Cases
- ・Large document analysis
- ・Understanding complex contexts
- ・Executing general AI tasks
Deep Analysis
Release Date
August 7, 2025
Arena Elo
1390
SWE-bench Verified
74.9%
GPQA Diamond
87.3%
AIME 2025
94.6%
Context Window
400K tokens
Pricing
$1.25-$1.30 / $10.00 per 1M tokens
Strengths
- ・Strong all-around flagship performance
- ・Excellent SWE-bench Verified (74.9%)
- ・400K context window
- ・Fast output at 100 tok/s
- ・Competitive pricing
Weaknesses
- ・Superseded by newer GPT-5.x models
- ・Arena Elo lower than successors
- ・ARC-AGI score (50%) shows room for improvement
Competitor Comparison
| Model | Arena | SWE | GPQA | Price |
|---|---|---|---|---|
| Claude Opus 4.1 | ~1400 | ~72% | 87.8% | $15/$75 |
| Gemini 2.5 Pro | ~1380 | ~63% | ~84% | $1.25/$10 |
| Grok 4 | ~1370 | ~60% | 88.1% | $3/$15 |
Sources
Analysis generated: 2026-05-24