Claude API Pricing (March 2026) — Opus 4.6, Sonnet 4.6, Haiku Token Costs
Updated March 2026. Anthropic Claude API pricing per 1M tokens: Opus 4.6 at $5/$25, Sonnet 4.6 at $3/$15, Haiku at $0.25/$1.25. Full cost table and optimization tips.
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Claude API Pricing — March 2026
Last updated: March 2, 2026 No pricing changes since February 2026.
TL;DR — Claude API Prices (March 2026)
- Claude Opus 4.6: $5.00/$25.00 per 1M input/output tokens
- Claude Sonnet 4.6: $3.00/$15.00 per 1M tokens
- Claude Haiku 4.5: $1.00/$5.00 per 1M tokens
Anthropic's Claude models are known for excellent reasoning and long context handling.
Claude 4 Family (Current)
| Model | Context | Input / 1M tokens | Output / 1M tokens |
|---|---|---|---|
| Claude Opus 4.6 | 200K | $5.00 | $25.00 |
| Claude Sonnet 4.6 | 200K | $3.00 | $15.00 |
| Claude Haiku 4.5 | 200K | $1.00 | $5.00 |
Claude 3 Family (Previous)
| Model | Context | Input / 1M tokens | Output / 1M tokens |
|---|---|---|---|
| Claude 3.5 Sonnet | 200K | $3.00 | $15.00 |
| Claude 3.5 Haiku | 200K | $0.25 | $1.25 |
| Claude 3 Opus | 200K | $15.00 | $75.00 |
| Claude 3 Sonnet | 200K | $3.00 | $15.00 |
| Claude 3 Haiku | 200K | $0.25 | $1.25 |
Cost Optimization Tips
- Use Haiku 4.5 for simple tasks — 80% cheaper than Opus
- Prompt caching — 90% off for repeated context
- Batch API — 50% off for async processing
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