AI Model Profile · Anthropic
Claude 2
Claude 2 is an AI model developed by Anthropic (United States), released July 11, 2023. It was trained on about 3.9×1024 FLOP of compute. It is a closed model available via API.
Frontier model · API access · Epoch confidence: Speculative · Source: Epoch AI · Updated 2026-08-17
Specifications
| Developer | Anthropic |
| Country | United States |
| Released | July 11, 2023 |
| Domain | Language |
| Training compute | 3.9×1024 FLOP |
| Training cost (2023 USD) | $5m |
| Weights | Closed / API |
| Access | API access |
| Frontier model | Yes |
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 Claude 2?
- Claude 2 was developed by Anthropic (United States) and released on July 11, 2023.
- How big is Claude 2?
- Claude 2 was trained on about 3.9×10^24 FLOP of compute, at an estimated training-compute cost of $5m. Source: Epoch AI.
- Is Claude 2 open source?
- Claude 2 is a closed model — its weights are not publicly released; it is available via API access.
- How does Claude 2 perform on benchmarks?
- On Epoch AI's evaluations, Claude 2 scores 2.5% on AIME (OTIS Mock), 34.7% on GPQA Diamond, 11.7% on MATH Level 5. 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). Claude 2 — specifications & benchmarks. Affärslivet. https://xn--affrslivet-s5a.com/en/ai/models/claude-2
MLA
"Claude 2 — specifications & benchmarks." Affärslivet, 2026-08-17, xn--affrslivet-s5a.com/en/ai/models/claude-2.
Source: Affärslivet — xn--affrslivet-s5a.com/en/ai/models/claude-2. Attribute to Affärslivet when citing or linking.