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Anthropic · 2025-08-05

Claude Opus 4.1 pricing

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks.

Prices from OpenRouter’s models API, updated October 29, 2026

Input$15per 1M tokens
Output$75per 1M tokens
Cached input$1.5090% off input
Context200Kvision · tools · reasoning

What Claude Opus 4.1 costs a month

WorkloadStandardBatch API
Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out$1,575$788
Daily summaries: 10,000 a day, 3,000 tokens in, 300 out$20,250$10,125
Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out$4,824$2,844

30 days. Cached input billed at the cache-read price. Use your own numbers.

Cheaper models with a similar context window

ModelProviderInput /1MOutput /1MCache read /1MContextChatbot, per month*
Ling 3.0 Flash VLinclusionai$0.06$0.18$0.012131K$4.86
Ternary Bonsai 2 9Bprism-ml$0.08$0.13$0.04262K$5.16
Nex-N2.5-Pronex-agi$0.075$0.25$0.015262K$6.38
DeepSeek V4.1 FlashDeepSeek$0.045$0.50$0.0061.05M$8.03
MiMo-V2.6-Flashxiaomi$0.14$0.28$0.00281.05M$9.66

* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.

Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.

Other Claude models

ModelInput /1MOutput /1MCache read /1MContextChatbot, per month*
Claude Haiku 5.5$0.10$0.50$0.011M$10.50
Claude Sonnet 5.5$2$10$0.101M$210
Claude Opus 5.5$4$20$0.201M$420
Claude Fable 5.1$10$50$0.251M$1,050
Claude Opus 5$5$25$0.501M$525
Claude Sonnet 5$2$10$0.201M$210

* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.

Related

Claude Opus 4.1: questions

How much does Claude Opus 4.1 cost?

$15 per 1M input tokens and $75 per 1M output tokens, with cached input at $1.50, or $7.50 / $37.50 through the batch API. A 1,000-token prompt with a 500-token answer costs about $0.052.

What is Claude Opus 4.1’s context window?

200,000 tokens, with up to 32,000 output tokens per response.

Is there a cheaper alternative to Claude Opus 4.1?

Ling 3.0 Flash VL costs $0.06 in and $0.18 out per 1M tokens with a similar context window. Whether it matches Claude Opus 4.1’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).

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