Anthropic: Claude Opus 4.1
by AnthropicAnthropic: Claude Opus 4.1 is a large language model from Anthropic. It costs $15.00 per million input tokens and $75.00 per million output tokens. Its context window is 200K tokens.
- Input / 1M tokens
- $15.00
- Output / 1M tokens
- $75.00
- Cached input / 1M
- $1.50
- Context window
- 200K
On repeated prefixes
tokens
This model also charges $0.01 per search request
That is $10.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.052, so the search fee is 19% on top. Per-token rankings elsewhere ignore this entirely.
Who serves it cheapest
2 hosts serve Claude Opus 4.1. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| Amazon BedrockCheapest | $15.00 | $75.00 | 200K | - | 99.9% |
| $15.00 | $75.00 | 200K | - | 100.0% |
The spread between Amazon Bedrock and Google is about the same for identical weights. Quantization and context limits differ, so check both columns before switching.
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. It achieves 74.5% on SWE-bench Verified and shows notable gains...
Specifications
| Model ID | anthropic/claude-opus-4.1 |
|---|---|
| Provider | Anthropic |
| Context window | 200K tokens |
| Max output | 32K tokens |
| Input modalities | image, text, file |
| Output modalities | text |
| Knowledge cutoff | 2025-01-31 |
| Open weights | No |
| Released | August 5, 2025 |
Cheaper alternatives
Models that cost less than Claude Opus 4.1 while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does Anthropic: Claude Opus 4.1 cost?
$15.00 per million input tokens and $75.00 per million output tokens. Cached input reads cost $1.50 per million tokens.
What is the context window of Anthropic: Claude Opus 4.1?
200K tokens, with up to 32K tokens of output per request.
Does Anthropic: Claude Opus 4.1 have extra fees beyond per-token pricing?
Yes. Anthropic: Claude Opus 4.1 charges $0.01 per search request - $10.00 per 1,000 requests - on top of $15.00 per million input tokens and $75.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 19% on top.
Which provider serves Anthropic: Claude Opus 4.1 cheapest?
Amazon Bedrock at $15.00 per million input tokens - about the same cheaper than Google, the most expensive of the 2 hosts serving it.
Confirm against the source: Anthropic official pricing.