Although Claude Opus 4.8 is still available, you should consider migrating to Claude Opus 5 for improved performance.
See Claude Opus 5模型与定价旧版模型
Claude Opus 4.8Legacy
- Context window
- 1Mtokens
- Max output
- 128Ktokens
- Input pricing
- $5/ MTok
- Output pricing
- $25/ MTok
与当前产品系列的比较
| Model | Context | Max output | Price / MTok | Thinking | Default effort | Knowledge cutoff |
|---|---|---|---|---|---|---|
| Claude Fable 5.1 | 1M | 128K | $10 / $50 | Adaptive (always on) | high | Jun 2026 |
| Claude Opus 5 | 1M | 128K | $5 / $25 | Adaptive | high | May 2026 |
| Claude Opus 4.8This modelLegacy | 1M | 128K | $5 / $25 | Adaptive | high | Jan 2026 |
| Claude Sonnet 5 | 1M | 128K | $2 / $10 | Adaptive | high | Jan 2026 |
| Claude Haiku 4.5 | 200K | 64K | $1 / $5 | Extended | — | Feb 2025 |
规格
Model IDs
- Claude API
Pricing
- Input
- $5 / MTok
- Output
- $25 / MTok
- 5m cache write
- $6.25 / MTok
- 1h cache write
- $10 / MTok
- Cache read
- $0.50 / MTok
- Batch API
- 50% discount on input and output
- Full price list
- Pricing
Capabilities
- Context window
- 1M tokens
- Max output
- 128K tokens
- Max output (Batch API, beta)
- 300K tokens
- Thinking
- Adaptive
- Default effort
high- Input → output
- Text and images → text
- Reliable knowledge cutoff
- Jan 2026
- Training data cutoff
- Jan 2026
Availability
- Status
- Active (legacy)
- Released
- May 28, 2026
- Retirement
- Not sooner than May 28, 2027
- Platforms
- Claude APIAmazon BedrockGoogle CloudMicrosoft FoundryClaude Platform on AWS
资源
从 Claude Opus 4.8 迁移到 Claude Opus 5 时会发生哪些变化。
当前的 Opus 模型：概述、规格和资源。
特定于模型的提示指导。
参考
Claude Opus 4.8 在 claude.ai 和 Claude 应用上使用的系统提示。
Claude Opus 4.8 的安全评估和部署决策。
完整价格列表，包括批量折扣和提示缓存费率。
模型 ID、别名和固定快照的工作原理。
每个 Claude 模型的生命周期状态和退役承诺。
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