Claude API pricing
Claude API prices per million tokens, context windows and independent benchmark scores for Opus, Sonnet, Haiku and Fable.
Prices updated . Benchmarks updated .
Prices are the current OpenRouter rate, refreshed about hourly. This page does not chart older prices.
| Model | You send / 1M | It replies / 1M | Context | ECI | Launched |
|---|---|---|---|---|---|
| Claude Opus 5.5Closed | $4.00 | $20.00 | 1M | 168.4 | 2026-09-22 |
| Claude Sonnet 5.5Closed | $2.00 | $10.00 | 1M | 166.7 | 2026-09-28 |
| Claude Fable 5.1Closed | $10.00 | $50.00 | 1M | 166.4 | 2026-09-01 |
| Claude Opus 5Closed | $5.00 | $25.00 | 1M | 164.5 | 2026-07-24 |
| Claude Fable 5Closed | $10.00 | $50.00 | 1M | 163.0 | 2026-06-09 |
| Claude Haiku 5.5Closed | $0.100 | $0.500 | 1M | 160.4 | 2026-10-07 |
| Claude Opus 4.8Closed | $5.00 | $25.00 | 1M | 159.6 | 2026-05-28 |
| Claude Sonnet 5Closed | $2.00 | $10.00 | 1M | 157.0 | 2026-06-30 |
| Claude Opus 4.7Closed | $5.00 | $25.00 | 1M | 156.7 | 2026-04-16 |
| Claude Opus 4.6Closed | $5.00 | $25.00 | 1M | 155.8 | 2026-02-05 |
| Claude Sonnet 4.6Closed | $3.00 | $15.00 | 1M | 152.9 | 2026-02-17 |
| Claude Opus 4.5Closed | $5.00 | $25.00 | 200K | 150.2 | 2025-11-24 |
| Claude Sonnet 4.5Closed | $3.00 | $15.00 | 200K | 146.8 | 2025-11-18 |
| Claude Opus 4.1Closed | $15.00 | $75.00 | 200K | 143.9 | 2025-08-05 |
| Claude Haiku 4.5Closed | $1.00 | $5.00 | 200K | 142.2 | 2025-11-18 |
Which Anthropic model ranks highest?
Claude Opus 5.5 has the highest Epoch Capabilities Index among Anthropic models on this page, at 168.4. Claude Sonnet 5.5 is next at 166.7. Claude Opus 5.5 costs $20.00 per million output tokens and reads 1M of context. The index is an independent score from Epoch AI. Lab-reported numbers are kept off this ranking.
Which Anthropic model is cheapest?
Claude Haiku 5.5 has the lowest published output price among Anthropic models here, at $0.500 per million tokens. Input tokens cost $0.100 per million and the context window is 1M. Claude Haiku 4.5 is next at $5.00 per million output tokens. Its Epoch Capabilities Index is 160.4. Prices are the current public rate and can change.
FAQ
Which Anthropic model ranks highest?
Claude Opus 5.5 has the highest Epoch Capabilities Index among Anthropic models on this page, at 168.4. Claude Sonnet 5.5 is next at 166.7. Claude Opus 5.5 costs $20.00 per million output tokens and reads 1M of context. The index is an independent score from Epoch AI. Lab-reported numbers are kept off this ranking.
Which Anthropic model is cheapest?
Claude Haiku 5.5 has the lowest published output price among Anthropic models here, at $0.500 per million tokens. Input tokens cost $0.100 per million and the context window is 1M. Claude Haiku 4.5 is next at $5.00 per million output tokens. Its Epoch Capabilities Index is 160.4. Prices are the current public rate and can change.
How many Anthropic models are listed?
This page lists 15 Anthropic models with a public price or an independent score. Open the comparison table to filter the full catalogue.
Sources and licenses
- OpenRouter: Prices, context windows, modalities and the model list come from the OpenRouter public API. Data: OpenRouter.
- Vercel AI Gateway: The no-training flag comes from the Vercel AI Gateway model list.
- models.dev: Lab launch dates, open-weights flags and knowledge cutoffs come from models.dev. Copyright (c) 2025 models.dev, MIT License.
- Epoch AI: Independent benchmark scores and the Epoch Capabilities Index (ECI) come from Epoch AI's Benchmarking Hub, used under CC BY 4.0. Epoch AI, Capabilities & benchmarking, epoch.ai/benchmarks. Scores Epoch marks as external keep their original license, and the source is named on each score.
- LMArena: Arena Elo (text, webdev and vision) comes from the LMArena leaderboard dataset (lmarena-ai/leaderboard-dataset), CC BY 4.0, leaderboard date 2026-10-28.
- Lab-reported scores, when an editor has added them, are the lab's own numbers. Each one links to the source and is labeled lab-reported. They are not used to rank the lists.
- What a score measures: the benchmark guide.