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AnthropicPixMind route verified · 2026-11-01

Chat with Claude Opus 5.5

Claude Opus 5.5 fits architecture decisions, repository-wide code review, and multi-step technical reasoning. Share the relevant source files and constraints, then ask for an evidence-backed plan or patch. This PixMind route supports image input, tools, and streaming within 128K input and 16K output tokens.

architecture decisions, repository review, and multi-step technical reasoning

Context window
128,000
Maximum output
16,000
Streaming
Supported
Claude Opus 5.5

Selected model

Claude Opus 5.5

Claude Opus 5.5

What this model is built to do

Claude Opus 5.5 fits architecture decisions, repository-wide code review, and multi-step technical reasoning. Share the relevant source files and constraints, then ask for an evidence-backed plan or patch. This PixMind route supports image input, tools, and streaming within 128K input and 16K output tokens.

What Claude Opus 5.5 can handle

  • Text
  • Vision
  • Reasoning
  • Tool calling
  • Coding
  • Streaming

Three jobs to try first

When to choose Claude Opus 5.5

1

Architecture decision

Turn requirements and constraints into options, trade-offs, and a decision record.

Prompt starter

Act as a staff architect. Compare three approaches for [system]. Use these constraints: [constraints]. Return a decision table, risks, migration steps, and a final recommendation.

2

Repository-scale code review

Trace behavior across files, identify failure paths, and propose a scoped patch plan.

Prompt starter

Review the attached code for [goal]. Trace the request end to end, list findings by severity with file evidence, then propose the smallest safe patch and focused tests.

3

Multi-step agent plan

Decompose a long-running goal into checkpoints, tools, verification, and recovery steps.

Prompt starter

Plan and execute [goal] in checkpoints. Before each action state the evidence needed; after each action verify the result and update the remaining plan. Stop on irreversible ambiguity.

Current PixMind route

This PixMind route accepts text and images. Video, audio, or PDF availability is shown separately and should not be inferred from the model family.

Model ID
claude-opus-5-5
Endpoint
/v1/chat/completions
PixMind inputs
Text · Vision

Adaptive thinking; effort low to max

Current token pricing

Studio and API share the same rates: $3.20 per 1M input tokens and $16 per 1M output tokens, at 80% of the official reference. Cache reads and 5-minute or 1-hour cache writes have separate rates below.

Per 1M tokens
Input3136~$3.2
Output15680~$16
Cache read156.8~$0.16
Cache write (5m)3920~$4
Cache write (1h)6272~$6.4

Credits and approximate USD per 1M tokens

Choose this model or switch?

Compare the current route with nearby models before spending tokens on a long conversation.

ModelBest forPixMind inputsMax outputInput points / 1M
Claude Opus 5.5Current pagearchitecture decisions, repository review, and multi-step technical reasoningText · Vision16,0003,136
Claude Sonnet 5.5everyday coding, structured writing, and long-document synthesisText · Vision128,0001,568
Claude Haiku 5.5batch extraction, classification, summaries, and bilingual supportText · Vision128,00078.4
GPT-6.1 Solcomplex coding, code review, and long-document reasoningText12,8001,568

From first question to useful answer

  1. 1Write the task, desired output, and relevant context in the prompt box.
  2. 2Continue in AI Chat with follow-up questions; the selected model stays active.
  3. 3Start a new chat when you want a clean context or switch models at any time.

Facts and sources

Model-family claims come from provider documentation. Inputs, limits, and points follow the PixMind route verification date shown above.

Frequently asked questions

How do I use Claude Opus 5.5 for “Architecture decision”?

Turn requirements and constraints into options, trade-offs, and a decision record. Start with this template: Act as a staff architect. Compare three approaches for [system]. Use these constraints: [constraints]. Return a decision table, risks, migration steps, and a final recommendation.

How do I use Claude Opus 5.5 for “Repository-scale code review”?

Trace behavior across files, identify failure paths, and propose a scoped patch plan. Start with this template: Review the attached code for [goal]. Trace the request end to end, list findings by severity with file evidence, then propose the smallest safe patch and focused tests.

How do I use Claude Opus 5.5 for “Multi-step agent plan”?

Decompose a long-running goal into checkpoints, tools, verification, and recovery steps. Start with this template: Plan and execute [goal] in checkpoints. Before each action state the evidence needed; after each action verify the result and update the remaining plan. Stop on irreversible ambiguity.

What inputs does Claude Opus 5.5 currently support in PixMind?

This PixMind route accepts text and images. Video, audio, or PDF availability is shown separately and should not be inferred from the model family. The current catalog flags: text, vision.

How should I prompt Claude Opus 5.5?

State the outcome and constraints directly. For long work, define checkpoints and the expected deliverable instead of repeatedly asking the model to be thorough.

How is Claude Opus 5.5 usage priced?

Studio and API share the same rates: $3.20 per 1M input tokens and $16 per 1M output tokens, at 80% of the official reference. Cache reads and 5-minute or 1-hour cache writes have separate rates below.

When should I choose another model over Claude Opus 5.5?

Claude Opus 5.5 is positioned for architecture decisions, repository review, and multi-step technical reasoning. Check the comparison table when lower cost, different input support, or a heavier reasoning tier matters more.

What should I do if a Claude Opus 5.5 response stops?

A network interruption, insufficient balance, or temporary model availability can stop a reply. Before resending, check whether token usage and points were already settled.

Start a conversation · Claude Opus 5.5

Use the prompt box above to send a focused first task, then continue in the full AI Chat workspace.

Start chatting