When was Claude Opus 4 released?

Claude Opus 4 was released on May 22, 2025 by Anthropic. This is the official Claude Opus 4 release date tracked on LLM Stats.

Is Claude Opus 4 available via API?

Yes, Claude Opus 4 is available via API. See the official documentation for authentication and endpoint details. It is served by 3 providers tracked on LLM Stats.

Who created Claude Opus 4?

Claude Opus 4 was created by Anthropic.

What is the license for Claude Opus 4?

Claude Opus 4 is released under the Proprietary license.

Is Claude Opus 4 multimodal?

Yes, Claude Opus 4 is multimodal and can accept both text and images as input.

What is Claude Opus 4 latency?

Claude Opus 4 p95 time to first token is 0.40 seconds via Google over the trailing 7 days. Lower time to first token means the model begins responding sooner for chat, agents and API workloads.

Where can I use Claude Opus 4?

Claude Opus 4 is available through 3 providers including Anthropic, Bedrock, Google.

Where is the Claude Opus 4 paper or technical report?

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

What models should I compare Claude Opus 4 against?

Common Claude Opus 4 comparisons include Claude Opus 4 vs o1-pro, Claude Opus 4 vs Gemma 4 31B, Claude Opus 4 vs Qwen3 VL 235B A22B Instruct. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.

Claude Opus 4 API Pricing, Context Window & Benchmarks

Name: Claude Opus 4
Author: Anthropic

Claude Opus 4: API Pricing, Context Window & Benchmarks

Claude Opus 4 is a language model from Anthropic, released in May 2025, with multimodal input.

Claude Opus 4 is Anthropic's most powerful model and the world's best coding model, part of the Claude 4 family. It delivers sustained performance on complex, long-running tasks and agent workflows. Opus 4 excels at coding, advanced

Input

TextImage

Output

Text

Claude Opus 4 benchmarks

Capability tiers

Standing within each category, adjusted for leaderboard depth.

Real tasks performance

High-confidence performance for Claude Opus 4 across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.

Performance by conversation depth

How Claude Opus 4 holds up as conversations get longer.

Quality Tracker

Claude Opus 4 Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

llm-stats.com - Sun Sep 06 2026

Notice missing or incorrect data?

Claude Opus 4 pricing

Providers

Claude Opus 4 starts at $15.00 per million input tokens and $75.00 per million output tokens via Anthropic. See all 3 providers below with their per-token pricing, latency, throughput, and modality support.

Provider	Input $/M	Cached input $/M	Output $/M	Context in / out	TTFT p95 s	Output p5 c/s	Modalities in / out
Anthropic	$15.00	—	$75.00	200.0K/32.0K	0.50	—	/
Bedrock	$15.00	—	$75.00	200.0K/128.0K	0.50	—	/
Google	$15.00	—	$75.00	200.0K/128.0K	0.40	—	/

Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.

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Claude Opus 4 context window

Input and output token limits for Claude Opus 4, plus how it ranks on long-context understanding.

InputOutput

200Ktokens

128Ktokens

≈ 301 pages of text

200K

8K128K1M

Claude Opus 4 API

Available from the model provider

Claude Opus 4 has an official provider API. It is not currently routed through the LLM Stats gateway.

Read the official API documentation

Claude Opus 4 latency

Claude Opus 4 time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Claude Opus 4 examples

Recent arena outputs from Claude Opus 4, picked from the highest-ranked matchups.

Claude Opus 4 license

Claude Opus 4 is a proprietary model available under its provider's product and API terms.

License: Proprietary; Hosted access

Proprietary license - usage restrictions apply

Claude Opus 4 resources

Official sources for Claude Opus 4: api documentation, official playground, official launch post.

Claude Opus 4 vs other models

The most-compared alternatives to Claude Opus 4 are o1-pro, Gemma 4 31B, Qwen3 VL 235B A22B Instruct. Open any pair side-by-side for benchmarks, pricing, context, and latency.