Claude Platform Docs

模型与定价专用模型

Claude Mythos 5.1Verification required

Claude Fable 5.1 for verified organizations

How refusals and fallback work

Context window: 1Mtokens
Max output: 128Ktokens
Input pricing: $10/ MTok
Output pricing: $50/ MTok

Claude Mythos 5.1 is available only to organizations verified through Anthropic’s verification programs, such as the Cyber Verification Program. It has the same specifications and pricing as Claude Fable 5.1. To request access, apply to the program that covers your use case.

See Claude Fable 5.1

对比情况

Model	Context	Max output	Price / MTok	Latency	Thinking	Default effort	Knowledge cutoff
Claude Fable 5.1	1M	128K	$10 / $50	Slower	Adaptive (always on)	`high`	Jun 2026
Claude Mythos 5.1This model	1M	128K	$10 / $50	Slower	Adaptive (always on)	`high`	Jun 2026
Claude Opus 5.5	1M	128K	$4 / $20	Moderate	Adaptive (always on)	`medium`	Jun 2026
Claude Sonnet 5.5	1M	128K	$2 / $10	Fast	Adaptive	`high`	Jun 2026
Claude Haiku 5.5	1M	128K	From $0.10 / $0.50	Fastest	Adaptive	`medium`	Jun 2026

规格

Model IDs

Claude API
Amazon Bedrock
Google Cloud
Microsoft Foundry

Pricing

Input: $10 / MTok
Output: $50 / MTok
5m cache write: $12.50 / MTok
1h cache write: $20 / MTok
Cache read: $0.25 / MTok
Batch API: 50% discount on input and output

Full price list

Capabilities

Context window: 1M tokens
Max output: 128K tokens
Thinking: Adaptive (always on)
Default effort: high
Comparative latency: Slower
Input → output: Text and images → text
Reliable knowledge cutoff: Jun 2026
Training data cutoff: Jun 2026

Availability

Status: Active (verification required)
Released: September 1, 2026
Retirement: Not sooner than September 1, 2027
Platforms: Claude APIAmazon Bedrock Google Cloud Microsoft Foundry

参考资料

从 Claude Mythos 5 迁移

从 Claude Mythos 5 迁移时会发生哪些变化。

Claude Fable 5.1 和 Claude Mythos 5.1 的安全评估与部署决策。

完整价格列表，包括批量折扣和提示缓存费率。

模型 ID 与版本管理

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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