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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.
| 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 | ClaudeCode Observed client-provider traffic for this model | 230.3M | 22.5K | 97.4% | 2026-08-18 |
| #2 |  Go Language SDK / HTTP client | 176.6M | 12.6K | 85.3% | 2026-08-18 |
| #3 |  GitHub Copilot |
| 8.2M |
| 826 |
| 99.8% |
| 2026-08-18 |
| #4 |  Tencent CodeBuddy Tencent's AI coding assistant | 1.6M | 224 | 100.0% | 2026-08-10 |
| #5 |  Node.js Language SDK / HTTP client | 1.2M | 49 | 61.2% | 2026-08-17 |
| #6 |  Python Language SDK / HTTP client | 728.6K | 734 | 78.7% | 2026-08-18 |
| #7 | OpenCoWork Observed client-provider traffic for this model | 629.8K | 77 | 79.2% | 2026-08-14 |
| #8 |  JavaScript Language SDK / HTTP client | 219.4K | 8 | 75.0% | 2026-08-16 |
| #9 |  OpenCode Open-source terminal-based AI coding agent | 8.2K | 1 | 100.0% | 2026-08-14 |
| #10 |  cURL / HTTP Client Language SDK / HTTP client | 35 | 3 | 66.7% | 2026-08-18 |