Anthropic
Overall82/100
Tech94/100
UX / UI79 / 67
Models tested3
Best model in our testClaude Haiku 5.5
What is Anthropic?
A US AI safety and research company founded in 2021 by former OpenAI researchers led by siblings Dario and Daniela Amodei. It builds the Claude model family (Opus, Sonnet, Haiku) and Claude Code.
Facts checked on 18/10/2026 · source ↗
- Founded
- 2021
- Headquarters
- San Francisco, USA
- CEO
- Dario Amodei
- Website
- anthropic.com ↗
- Models tested
- Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5
Models by Anthropic we tested
Every model by Anthropic we tested on the same prompts as all other models. Click a model for details.
| Model | Released | Overall | Score | Tech | UX / UI | Loads | Total cost | Average time |
|---|---|---|---|---|---|---|---|---|
| Claude Haiku 5.5 | 07/10/2026 | 94 | 39.5/40 | 98 | 92 / 72 | 5/5 | ≈ $0.46 | 13 min 42 s |
| Claude Sonnet 5.5 | 28/09/2026 | 76 | 32/40 (40) | 93 | 69 / 62 | 4/5 | ≈ $8.08 | 17 min 30 s |
| Claude Opus 5.5 | 22/09/2026 | 77 | 32/40 (40) | 92 | 75 / 66 | 4/5 | ≈ $17.86 | 38 min 33 s |
Cost = tokens priced with the API price list valid on the date shown next to the cost (prices change). ≈ = estimate (only the total token count is known), no ≈ = exact from input / output tokens. “Loads” = the page opens without errors; technical health also checks behaviour during use – judge the quality in the viewer.