AnthropicReleased on Nov 24, 2025

Claude Opus 4.5: Benchmarks, Pricing & Context Window

Claude Opus 4.5 is a language model from Anthropic, released in November 2025, with multimodal input.

Premium model combining maximum intelligence with practical performance. Best model in the world for coding, agents, and computer use. Most robustly aligned model with best prompt injection resistance of any frontier model. Features

Input
TextImage
Output
Text
Speed
Latency p951.53s
Throughput P9542.0char/s
Cost
$7.22/ 1M · 8:1 in:out
$5.00 in · $25.0 out

Claude Opus 4.5 pricing

Providers

Claude Opus 4.5 starts at $5.00 per million input tokens and $25.00 per million output tokens via Anthropic.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
Anthropic logoAnthropic
$5.00$25.00200.0K64.0K
1.53
42 c/s
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Claude Opus 4.5 API

API access coming soon

Claude Opus 4.5 will be available through our gateway shortly.

Claude Opus 4.5 examples

Recent arena outputs from Claude Opus 4.5, picked from the highest-ranked matchups.

Claude Opus 4.5 license

Claude Opus 4.5 is released under the Proprietary license, which restricts commercial use, has a knowledge cutoff of March 2025.

License
Proprietary
Non-commercial
Knowledge cutoff
March 2025

Proprietary license - usage restrictions apply

FAQ

Common questions about Claude Opus 4.5.

When was Claude Opus 4.5 released?

Claude Opus 4.5 was released on November 24, 2025 by Anthropic. This is the official Claude Opus 4.5 release date tracked on LLM Stats.

Is Claude Opus 4.5 available via API?

Yes, Claude Opus 4.5 is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

Who created Claude Opus 4.5?

Claude Opus 4.5 was created by Anthropic.

What is the license for Claude Opus 4.5?

Claude Opus 4.5 is released under the Proprietary license.

What is the knowledge cutoff date for Claude Opus 4.5?

Claude Opus 4.5 has a knowledge cutoff of March 2025, meaning it was trained on data up to that point and may not know about events after it.

Is Claude Opus 4.5 multimodal?

Yes, Claude Opus 4.5 is multimodal and can accept both text and images as input.

Where can I use Claude Opus 4.5?

Claude Opus 4.5 is available through 1 provider including Anthropic.

Where is the Claude Opus 4.5 paper or technical report?

Claude Opus 4.5 has a paper or technical report available at https://www.anthropic.com/news/claude-opus-4-5. Use that source for architecture, training, release and evaluation details.