Claude 5.5 Models by Anthropic
Anthropic releases · 16 in the last 12 months · this family litChangelog →
3 models2026Up to 1M ctxFrom $0.100/1M input
Last refreshed 2026-10-07. Next refresh: weekly.
Details
ResearcherAnthropic
LicenseProprietary
Commercial useCommercial use: conditional
Models3
Released2026
Max context1M
Capabilities
VisionAll models
MultimodalAll models
ReasoningAll models
JSON / Tool useAll models
Structured OutputsAll models
Links
WebsiteAbout
Claude 5.5 is Anthropic's Claude family announced September 22, 2026. Claude Opus 5.5 launched that day, and Claude Sonnet 5.5 followed on September 28, 2026. Anthropic states Claude Haiku 5.5 will follow in the coming weeks.
Decision facts
- Best fit
- codingvision and multimodal workreasoning
- Capability starting point
- Claude Opus 5.5 with 1M context and reasoning, JSON / Tool use, structured outputs, and multimodal inputs
- Lowest tracked input
- Claude Haiku 5.5 · $0.100/1M · Anthropic
- Closest related family
- Computer Use
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
3 in view
Claude Haiku 5.5Current
Use when the workload needs 1M context, reasoning, and JSON / Tool use.
2026-101M contextreasoningJSON / Tool use
Claude Sonnet 5.5Current
Use when the workload needs 1M context, reasoning, and JSON / Tool use.
2026-091M contextreasoningJSON / Tool use
Claude Opus 5.5Current
Use when the workload needs 1M context, reasoning, and JSON / Tool use.
2026-091M contextreasoningJSON / Tool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Claude Haiku 5.5 | Use when the workload needs 1M context, reasoning, and JSON / Tool use. | 2026-10 | 1M contextreasoningJSON / Tool use | Current |
| Claude Sonnet 5.5 | Use when the workload needs 1M context, reasoning, and JSON / Tool use. | 2026-09 | 1M contextreasoningJSON / Tool use | Current |
| Claude Opus 5.5 | Use when the workload needs 1M context, reasoning, and JSON / Tool use. | 2026-09 | 1M contextreasoningJSON / Tool use | Current |
Release Timeline
2 release groups2026-10
1 current
Claude Haiku 5.5
Current1M contextreasoningJSON / Tool use
2026-09
2 current
Claude Opus 5.5
Current1M contextreasoningJSON / Tool use
Claude Sonnet 5.5
Current1M contextreasoningJSON / Tool use
Specifications(3 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | JSON / Tool use | Structured Outputs |
|---|---|---|---|---|---|---|---|
| Claude Haiku 5.5 | 2026-10 | 1M | Yes | Yes | Yes | Yes | Yes |
| Claude Sonnet 5.5 | 2026-09 | 1M | Yes | Yes | Yes | Yes | Yes |
| Claude Opus 5.5 | 2026-09 | 1M | Yes | Yes | Yes | Yes | Yes |
Available From(6 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Claude Haiku 5.5 | Anthropic | $0.1 | $0.5 | Serverless |
| Claude Haiku 5.5 | AWS Bedrock | $0.1 | $0.5 | Serverless |
| Claude Haiku 5.5 | GCP Vertex AI | $0.1 | $0.5 | Serverless |
| Claude Haiku 5.5 | Microsoft Foundry | $0.1 | $0.5 | Serverless |
| Claude Haiku 5.5 | Vercel AI Gateway | $0.1 | $0.5 | Serverless |
| Claude Haiku 5.5 | OpenRouter | $0.1 | $0.5 | Serverless |
| Claude Sonnet 5.5 | Anthropic | $2 | $10 | Serverless |
| Claude Sonnet 5.5 | AWS Bedrock | $2 | $10 | Serverless |
| Claude Sonnet 5.5 | GCP Vertex AI | $2 | $10 | Serverless |
| Claude Sonnet 5.5 | Microsoft Foundry | $2 | $10 | Serverless |
| Claude Sonnet 5.5 | OpenRouter | $2 | $10 | Serverless |
| Claude Opus 5.5 | Anthropic | $4 | $20 | Serverless |
| Claude Opus 5.5 | AWS Bedrock | $4 | $20 | Serverless |
| Claude Opus 5.5 | GCP Vertex AI | $4 | $20 | Serverless |
| Claude Opus 5.5 | Microsoft Foundry | $4 | $20 | Serverless |
| Claude Opus 5.5 | OpenRouter | $4 | $20 | Serverless |
