Claude Opus 4 at a glance
Claude Opus 4 led SWE-bench and Terminal-bench at launch and can work on long tasks for hours; both models can use tools during extended thinking, and Claude Code reached general availability.
What changed with Claude Opus 4
On May 22, 2025, Anthropic released Claude Opus 4 and Claude Sonnet 4, hybrid models with near-instant answers and extended thinking. Anthropic called Opus 4 the best coding model in the world, citing 72.5% on SWE-bench and 43.2% on Terminal-bench, and said it can keep working on long agent tasks for several hours. Sonnet 4 reported 72.7% on SWE-bench.
Both models can use tools such as web search during extended thinking, call tools in parallel, and keep memory files when given local file access. Pricing stayed at $15/$75 per million input/output tokens for Opus 4 and $3/$15 for Sonnet 4, on the Anthropic API, Amazon Bedrock and Google Cloud Vertex AI. Claude Code became generally available with VS Code and JetBrains extensions, GitHub Actions support and a Claude Code SDK.
Claude Opus 4 benchmarks and pricing
Values are copied from the linked source on the date shown. They are not IA Compa measurements.
- Input price per 1M tokensas of · Source for Input price per 1M tokens: anthropic.com (opens in a new tab)
- $15.00
- Output price per 1M tokensas of · Source for Output price per 1M tokens: anthropic.com (opens in a new tab)
- $75.00
- Input price per 1M tokens · Claude Sonnet 4as of · Source for Input price per 1M tokens: anthropic.com (opens in a new tab)
- $3.00
- Output price per 1M tokens · Claude Sonnet 4as of · Source for Output price per 1M tokens: anthropic.com (opens in a new tab)
- $15.00
How it compares
Models that were current when this was published (released in the six months before it, newest version of each line), so these figures are from that time. Under each chart is the current best. (Models)
Current best (as of Nov 6, 2026): Claude Haiku 5.5, $0.10
Current best (as of Nov 6, 2026): Claude Haiku 5.5, $0.10
Current best (as of Nov 6, 2026): Claude Haiku 5.5, $0.50
Current best (as of Nov 6, 2026): Claude Haiku 5.5, $0.50
Where to compare Claude Opus 4
Independent leaderboards and official resources for comparing this model yourself. Rankings change often; each site shows its own current data.
Leaderboards
General leaderboards
Official resources
Why Claude Opus 4 matters for businesses
For businesses, Claude 4 made long-running coding and research agents practical: a model that plans, uses tools and remembers context over hours can take on real project work, while Sonnet 4 kept that capability at a mid-tier price.
Sources for this story
- Introducing Claude 4 (opens in a new tab)Official
Anthropic · anthropic.com
- Claude 4 Opus model page (opens in a new tab)Benchmark
Artificial Analysis · artificialanalysis.ai
Last verified: . IA Compa summarizes public announcements for business readers. We are not affiliated with the companies mentioned. Always confirm details, pricing, and availability with the official source.
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