Ways to buy 2
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 Anthropic APIThe lab's own API · cached $1.5 | $15 | $75 | $15 / $75List price | $1.5 | List price |
 AWS BedrockDefault region · cached $1.5 | $15 | $75 | $15 / $75Same as list | $1.5 | Same as list |
USD per 1M tokens; batch $7.5 in, $37.5 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $3,000 direct.
Helicone$3,000+0%
Kong AI Gateway$3,000+0%
LiteLLM$3,000+0%
Vercel AI Gateway$3,000+0%
Cloudflare AI Gateway$3,150+5%
Requesty$3,150+5%
Eden AI$3,165+5.5%
OpenRouter$3,165+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Claude Opus 5.5 Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · |
| Claude Fable 5.1 Anthropic · 1M | $10 | $50 | $10 / $50 | $20 | 1M | Lab list price | · |
| Claude Opus 5 Anthropic · 1M | $5 | $25 | $5 / $25 | $10 | 1M | Lab list price | · |
| Claude Sonnet 5 Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · |
 GPT-6 AstraOpenAI · 1.05MCheapest: $10 on OpenAI (flex) | $10 | $50 | $10 / $50 | $20 | 1.05M | $10 on OpenAI (flex) | · |
| o3 Pro OpenAI · 200K | $20 | $80 | $20 / $80 | $35 | 200K | Lab list price | · |
| GPT-6 Astra Pro OpenAI · 1.05MCheapest: $10 on OpenAI (flex) | $10 | $50 | $10 / $50 | $20 | 1.05M | $10 on OpenAI (flex) | · |
| GPT-5.2 Pro OpenAI · 400K | $21 | $168 | $21 / $168 | $57.8 | 400K | Lab list price | · |
About Claude Opus 4.1
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks.
Takes image, text, files in and returns text. First listed Aug 12, 2025. Up to 32K output tokens. Blended price $30 per 1M tokens at 3 input to 1 output. Model id claude-opus-4-1.
Price history
List price since Aug 12, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does Claude Opus 4.1 cost?
$15 per million input tokens and $75 per million output tokens, with cached input at $1.5, or $7.5 and $37.5 through the Batch API.
What is the context window of Claude Opus 4.1?
200K tokens, with up to 32K tokens of output.
Where is Claude Opus 4.1 cheapest?
Of 2 routes tracked, AWS Bedrock is cheapest at $15 input and $75 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.