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Anthropic: Claude Opus 4.1 API Pricing
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...
How much does Anthropic: Claude Opus 4.1 cost for a real workload?
At 10M input + 2M output tokens per month, Anthropic: Claude Opus 4.1 costs about $300 ($150 input + $150 output). Try your own volumes in the cost calculator.
What is the official Anthropic: Claude Opus 4.1 price?
| Official (anthropic) | Catalog (OpenRouter) | |
|---|---|---|
| Input /1M | $15 | $15 |
| Output /1M | $75 | $75 |
| Cached input /1M | $1.5 | $1.5 |
✓ Matches the official list price. Source: anthropic official pricing page, checked 2026-10-21.
What are cheaper alternatives to Anthropic: Claude Opus 4.1?
- OpenAI: o1 — $15 in / $60 out per 1M
- OpenAI: GPT-5 Pro (batch) — $7.5 in / $60 out per 1M
- OpenAI: GPT Astra Latest — $10 in / $50 out per 1M
- OpenAI: GPT-6 Astra — $10 in / $50 out per 1M
- OpenAI: GPT-6 Astra Pro — $10 in / $50 out per 1M
- Anthropic: Claude Fable 5.1 — $10 in / $50 out per 1M
Compare Anthropic: Claude Opus 4.1 with other models
Anthropic: Claude Opus 4.1 vs Anthropic: Claude Haiku 5.5 (batch)Anthropic: Claude Opus 4.1 vs Anthropic: Claude Haiku 5.5Anthropic: Claude Opus 4.1 vs Anthropic: Claude Haiku 4.5 (batch)Anthropic: Claude Opus 4.1 vs Anthropic: Claude Sonnet 5.5 (batch)Anthropic: Claude Opus 4.1 vs Anthropic: Claude Sonnet 5 (batch)Anthropic: Claude Opus 4.1 vs Anthropic: Claude Haiku 4.5
Frequently asked questions
How much does Anthropic: Claude Opus 4.1 cost?
Anthropic: Claude Opus 4.1 costs $15 per 1M input tokens and $75 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $300.
What is the context window of Anthropic: Claude Opus 4.1?
Anthropic: Claude Opus 4.1 has a context window of 200,000 tokens and can return up to 32,000 output tokens per response.
What are cheaper alternatives to Anthropic: Claude Opus 4.1?
Cheaper models include OpenAI: o1 ($15 in / $60 out), OpenAI: GPT-5 Pro (batch) ($7.5 in / $60 out), OpenAI: GPT Astra Latest ($10 in / $50 out). See the full list on this page.
Is Anthropic: Claude Opus 4.1 free to use?
No. Anthropic: Claude Opus 4.1 is a paid model at $15 input / $75 output per 1M tokens. 20 free models are listed on the free models page.
What is the official price of Anthropic: Claude Opus 4.1?
On anthropic's official pricing page (checked 2026-10-21), Anthropic: Claude Opus 4.1 is listed at $15 per 1M input tokens and $75 per 1M output tokens. The catalog price tracked on this page matches it exactly.
Provider: anthropic · Model ID: anthropic/claude-opus-4.1 · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices