Claude Sonnet 5.5 (batch)
Anthropic· released 28 Sept 2026
anthropic/claude-sonnet-5.5:batch- Input / 1M tokens
- $1
- Output / 1M tokens
- $5
Longest answer: 128K tokens
About
Claude Sonnet 5.5 (batch) is Anthropic’s Sonnet-class model for everyday work with a clear scope, described as succeeding Claude Sonnet 5. Its summary highlights feature building, bug fixing, and producing work, though the listed description ends before specifying the final task. It accepts text, images, and files; it supports vision, tools, and reasoning, and produces text. The model has a 1,000,000-token context window and a 128,000-token maximum output. Input costs $1 per 1M tokens and output costs $5 per 1M tokens. Its model ID is `anthropic/claude-sonnet-5.5:batch`, with a listed release date of 2026-09-28. These details give teams a basis for assessing modality, capacity, and per-token cost for scoped work.
Who it is for
It suits teams handling well-scoped work such as feature building and bug fixing. File and image inputs, along with tool and reasoning support, may fit workflows that use those capabilities.
What is good
- Accepts text, image, and file inputs
- 1,000,000-token context window
- 128,000-token maximum output
- Tool use and reasoning supported
What to know first
- Output costs $5 per 1M tokens
- Summary’s task description is incomplete
Verdict
Claude Sonnet 5.5 (batch) has broad listed input modalities, tool and reasoning support, and substantial context and output limits. Teams should weigh those capacities against its stated per-token prices.
Details
- Lab
- Anthropicopenrouter.ai · 3 Oct 2026
- Context
- 1,000Kopenrouter.ai · 3 Oct 2026
- Input price
- $1 / 1Mopenrouter.ai · 3 Oct 2026
- Output price
- $5 / 1Mopenrouter.ai · 3 Oct 2026
- Max output
- 128,000 tokensopenrouter.ai · 3 Oct 2026
- Inputs
- text, image, fileopenrouter.ai · 3 Oct 2026
- Open weights
- Noopenrouter.ai · 3 Oct 2026
More newest models
See the list
Listed on Inferse
- Newest Models in 2026466 listed
- Longest-Context Models in 2026466 listed
- Cheapest Language Models in 2026437 listed
- Models with Tool Calling in 2026395 listed
- Reasoning Models in 2026332 listed
- Vision Language Models in 2026295 listed
- Anthropic Models: Pricing per 1M Tokens and Context (2026)33 listed
Sources
- openrouter.ai/anthropic/claude-sonnet-5.5:batch· checked 3 Oct 2026