Claude 5.5 Models by Anthropic
1 model2026Up to 1.05m ctxFrom $4/1M input
Last refreshed 2026-09-22. Next refresh: weekly.
Details
ResearcherAnthropic
LicenseProprietary
Commercial useCommercial use: conditional
Models1
Released2026
Max context1.05m
Capabilities
VisionAll models
MultimodalAll models
ReasoningAll models
JSON / Tool useAll models
Structured OutputsAll models
Links
WebsiteAbout
Claude 5.5 is Anthropic's new Claude family announced September 22, 2026, beginning with Claude Opus 5.5. Anthropic states Claude Sonnet 5.5 and Claude Haiku 5.5 will follow in the coming weeks.
Decision facts
- Best fit
- agentcodingvision and multimodal work
- Capability starting point
- Claude Opus 5.5 with 1.05m context and reasoning, JSON / Tool use, structured outputs, and multimodal inputs
- Lowest tracked input
- Claude Opus 5.5 · $4/1M · 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.
1 in view
Claude Opus 5.5Current
Use when the workload needs 1.05m context, reasoning, and JSON / Tool use.
2026-091.05m contextreasoningJSON / Tool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Claude Opus 5.5 | Use when the workload needs 1.05m context, reasoning, and JSON / Tool use. | 2026-09 | 1.05m contextreasoningJSON / Tool use | Current |
Release Timeline
1 release group2026-09
1 current
Claude Opus 5.5
Current1.05m contextreasoningJSON / Tool use
Specifications(1 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | JSON / Tool use | Structured Outputs |
|---|---|---|---|---|---|---|---|
| Claude Opus 5.5 | 2026-09 | 1.05m | Yes | Yes | Yes | Yes | Yes |
Available From(4 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| 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 |
