Anthropic API Pricing 2026
Maker of Claude, known for safety-focused AI and extended context windows up to 200K tokens.
Anthropic API Pricing Quick Summary (January 2026)
Quick Answer: Anthropic pricing starts at $0.8/1M input tokens with claude-haiku-3.5. Output tokens cost $4/1M. For advanced capabilities, claude-opus-4.1 costs $15/$75 per 1M tokens.
Text / LLM Models
(6)| Model | Input / 1M | Output / 1M | Context | Tier | Notes |
|---|---|---|---|---|---|
| claude-opus-4.5 | $5.00 | $25.00 | 200K | frontier | - |
| claude-opus-4.1 | $15.00 | $75.00 | 200K | frontier | - |
| claude-sonnet-4.5 | $3.00 | $15.00 | 200K | high | - |
| claude-sonnet-4 | $3.00 | $15.00 | 200K | high | - |
| claude-haiku-4.5 | $1.00 | $5.00 | 200K | mid | - |
| claude-haiku-3.5 | $0.800 | $4.00 | 200K | budget | - |
Compare Anthropic Models
Frequently Asked Questions
How much does Anthropic API cost?
Anthropic API pricing starts at $0.8/1M input tokens with claude-haiku-3.5. The most capable model, claude-opus-4.1, costs $15/1M input tokens. All prices are per million tokens as of January 2026.
What is the cheapest Anthropic model?
The cheapest Anthropic model is claude-haiku-3.5 at $0.8/1M input tokens and $4/1M output tokens. It's ideal for high-volume, simple tasks.
How does Anthropic pricing compare to competitors?
Anthropic pricing varies by model capability. Budget models start around $0.8/1M tokens, while frontier models cost $15/1M tokens. Compare with OpenAI, Anthropic, and Google on our AI Pricing page.