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Claude Opus 5 is a step-change improvement over Claude Opus 4.8, with the largest gains in deep reasoning, agentic and long-horizon tasks, and test-time compute scaling. This page summarizes everything new in Claude Opus 5, including thinking on by default, mid-conversation tool changes, and a breaking change to when thinking can be disabled.
同系列或更低输入价的公开模型。 / Same provider or cheaper catalog alternatives.
| Model | Provider | Type | Input | Output |
|---|---|---|---|---|
| claude-haiku-4-5 | Anthropic | chat | 1.00 Token / 1M tokens | 5.00 Token / 1M tokens |
| claude-haiku-4-5-20251001 | Anthropic | chat | 1.00 Token / 1M tokens | 5.00 Token / 1M tokens |
| claude-sonnet-5 | Anthropic | chat | 2.00 Token / 1M tokens | 10.00 Token / 1M tokens |
| claude-opus-4-1-20250805 | Anthropic | chat | 3.00 Token / 1M tokens | 15.00 Token / 1M tokens |
| claude-sonnet-4-5 | Anthropic | chat | 3.00 Token / 1M tokens |
A quick read of the model identity, commercial setup, and access footprint.
Published rates, tier transitions, and modality-specific surcharges in the current catalog entry.
| Pricing | Billing mode |
|---|---|
| Prompt | $0.3571/1M tokens |
| Output | $1.7857/1M tokens |
| 5m cache write | $0.4464/1M tokens |
| 1h cache write | $0.7143/1M tokens |
| Cache hit | $0.0357/1M tokens |
Hourly usage, latency, reliability, and throughput for this model.
Top 10 AI coding agents using this model during the last 15 days.
Top 10 official SDKs and language HTTP clients using this model during the last 15 days.
| 15.00 Token / 1M tokens |
| claude-sonnet-4-5-20250929 | Anthropic | chat | 3.00 Token / 1M tokens | 15.00 Token / 1M tokens |
| # | AI Coding Agents Usage | Total Tokens | Requests | Success rate | Last active |
|---|---|---|---|---|---|
| #1 |  Claude Code Anthropic's official agentic coding CLI tool | 2.4B | 15.7K | 95.7% | 2026-09-07 |
| #2 |  GitHub Copilot AI pair programmer by GitHub and Microsoft | 2.3M | 26 | 84.6% | 2026-09-03 |
| #3 |
| # | SDK / Language | Total Tokens | Requests | Success rate | Last active |
|---|---|---|---|---|---|
| #1 |  Go Language SDK / HTTP client | 780.7M | 4.7K | 99.7% | 2026-09-07 |
| #2 |  Vercel AI SDK TypeScript toolkit for building AI apps | 7.3M | 31 | 100.0% | 2026-08-27 |
| #3 |  Node.js |
| 1.4M |
| 15 |
| 100.0% |
| 2026-08-24 |
| #4 |  OpenAI Codex OpenAI's agentic coding assistant and CLI | 63.3K | 3 | 33.3% | 2026-09-07 |
| #5 |  ZCode Z.ai's agentic development environment and official GLM harness | 20 | 2 | 50.0% | 2026-08-25 |
| #6 |  Tencent CodeBuddy Tencent's AI coding assistant | 0 | 1 | 0.0% | 2026-09-07 |
| 364.6K |
| 56 |
| 89.3% |
| 2026-09-07 |
| #4 |  OpenAI SDK Official OpenAI client libraries | 42.0K | 13 | 100.0% | 2026-08-28 |
| #5 |  Python Language SDK / HTTP client | 24.5K | 135 | 70.4% | 2026-09-04 |
| #6 |  cURL / HTTP Client Language SDK / HTTP client | 27 | 1 | 100.0% | 2026-08-27 |
| #7 | Anthropic SDK Official Anthropic client libraries | 0 | 6 | 0.0% | 2026-09-04 |