Category
Best AI for Writing
| # | Model | Region | Tier | Price in / out | Context | Strengths | |
|---|---|---|---|---|---|---|---|
| 1 | Claude Fable 5.1Anthropic | 🇺🇸 US | Frontier | $10 / $50 | 1M | Anthropic's top model | src |
| 2 | Claude Opus 5.5Anthropic | 🇺🇸 US | Frontier | $4 / $20 | 1M | Strong coding & agentic work | src |
| 3 | Claude Sonnet 5.5Anthropic | 🇺🇸 US | Pro | $2 / $10 | 1M | Balanced cost/quality | src |
| 4 | Claude Haiku 5.5Anthropic | 🇺🇸 US | Strong | $0.1 / $0.5 | 1M | Cheapest Claude (≤100K prompt; $0.50/$2.50 above) | src |