Anthropic: Claude Opus 4
Analysis Summary
Claude Opus 4 is Anthropic's Opus model, with vision and file input, tool use, function calling, and a 200K context window. Its agentic results are strong, and its coding and instruction-following measures support complex software and content workflows. These capabilities make it a capable option for work that requires several reasoning steps or careful handling of lengthy inputs.
For agency teams, it fits coding assistance, document analysis, tool-driven research, and high-quality client-facing drafting. Multimodal input can help with tasks involving visual materials, while the context window handles substantial documents. The key limitation is cost: output pricing is high, so routine automation and bulk generation are difficult to justify at this rate.
Use Opus 4 for demanding jobs where reliability and depth warrant the spend. Pair it with a lower-cost model for everyday traffic, and note that newer benchmarked Opus versions are available.
Assessed September 23, 2026
Editorial notes
Claude Opus 4 combines strong agentic capability with vision, file input, tool support, and a 200K context window; premium output pricing makes it best for demanding rather than routine work.
The DFO score ranks models on the Artificial Analysis Intelligence Index and is refreshed as new models launch. The write-up and verdict are our own. Feedback?
DFO Verdict
Claude Opus 4 combines strong agentic capability with vision, file input, tool support, and a 200K context window; premium output pricing makes it best for demanding rather than routine work.
Benchmarks
Artificial Analysis data refreshed Nov 9, 2026. Arena ratings from the Oct 28, 2026 text leaderboard, with style control. Bars: magenta = reasoning, ink = coding and agents, cyan = instructions and long context.
Artificial Analysis no longer lists this model, so its indexes are converted from their older scale to stay comparable.
How Anthropic: Claude Opus 4 compares
Anthropic: Claude Opus 4 ranks #65 of 449 AI models we track for overall intelligence, #21 of 181 for agentic tasks. Its 200K-token context window is larger than 54% of the models we list. At $15.00 per million input tokens it is cheaper than 2% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $15.00 | $0.015000 |
| Output | $75.00 | $0.075000 |
What would Anthropic: Claude Opus 4 cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 735 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Anthropic: Claude Opus 4 for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude Opus 4
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in..
Frequently asked questions about Anthropic: Claude Opus 4
How much does Anthropic: Claude Opus 4 cost?
Anthropic: Claude Opus 4 costs $15.00 per million input tokens and $75.00 per million output tokens.
What is the context window of Anthropic: Claude Opus 4?
Anthropic: Claude Opus 4 has a context window of 200,000 tokens (200K).
What can Anthropic: Claude Opus 4 do?
Anthropic: Claude Opus 4 supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude Opus 4?
Anthropic: Claude Opus 4 is developed by Anthropic and was released on May 22, 2025.