AI Model Profile · OpenAI
GPT-5
GPT-5 is an AI model developed by OpenAI (United States), released August 7, 2025. It was trained on about 6.6×1025 FLOP of compute. It is a closed model available via API.
API access · Epoch confidence: Speculative · Source: Epoch AI · Updated 2026-08-17
Specifications
| Developer | OpenAI |
| Country | United States |
| Released | August 7, 2025 |
| Domain | Multimodal,Language,Vision |
| Training compute | 6.6×1025 FLOP |
| Weights | Closed / API |
| Access | API access |
All figures from Epoch AI's Notable AI Models database (CC BY 4.0). Blank fields are undisclosed by the developer — never estimated by Affärslivet.
Benchmarks
Performance on Epoch AI's reproducible evaluations (higher is better; scores are the best across scorers). These are independent runs, not developer-reported numbers.
Source: Epoch AI Benchmarking Hub. GPQA Diamond = graduate-level science Q&A; SWE-Bench Verified = real software-engineering tasks; FrontierMath = research-level maths; MATH Level 5 = hardest competition maths; AIME = olympiad maths; SimpleQA = factual accuracy.
Frequently asked
- Who developed GPT-5?
- GPT-5 was developed by OpenAI (United States) and released on August 7, 2025.
- How big is GPT-5?
- GPT-5 was trained on about 6.6×10^25 FLOP of compute. Source: Epoch AI.
- Is GPT-5 open source?
- GPT-5 is a closed model — its weights are not publicly released; it is available via API access.
- How does GPT-5 perform on benchmarks?
- On Epoch AI's evaluations, GPT-5 scores 86.2% on GPQA Diamond, 91.4% on AIME (OTIS Mock), 73.6% on SWE-Bench Verified. Source: Epoch AI Benchmarking Hub.
Sources
Cite this model profile
Free to cite, quote and reference under CC BY 4.0 — with attribution to Affärslivet. Writing an article or answer? Reference this model profile as:
APA
Affärslivet Research. (2026). GPT-5 — specifications & benchmarks. Affärslivet. https://xn--affrslivet-s5a.com/en/ai/models/gpt-5
MLA
"GPT-5 — specifications & benchmarks." Affärslivet, 2026-08-17, xn--affrslivet-s5a.com/en/ai/models/gpt-5.
Source: Affärslivet — xn--affrslivet-s5a.com/en/ai/models/gpt-5. Attribute to Affärslivet when citing or linking.