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AnthropicPixMind route verified · 2026-09-04

Chat with Claude Opus 4.8

Claude Opus 4.8 is an active, stable high-capability choice for long-context reasoning, careful code review, and document-heavy professional workflows.

stable long-context reasoning, code review, and demanding document synthesis

Context window
1,048,576
Maximum output
131,072
Streaming
Supported
Claude Opus 4.8

Selected model

Claude Opus 4.8

Claude Opus 4.8

What this model is built to do

Claude Opus 4.8 is an active, stable high-capability choice for long-context reasoning, careful code review, and document-heavy professional workflows.

What Claude Opus 4.8 can handle

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

Three jobs to try first

When to choose Claude Opus 4.8

1

Long-document synthesis

Extract decisions, disagreements, evidence, and action items from a large source set.

Prompt starter

Analyze these documents as one evidence set. Separate confirmed facts, open questions, and contradictions. Produce an executive summary plus a source-linked action table.

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

Evidence-led research plan

Turn an open question into hypotheses, evidence needs, evaluation criteria, and a final report shape.

Prompt starter

Design a research plan for [question]. List competing hypotheses, the evidence needed to test each one, source-quality criteria, stopping rules, and the final report outline.

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-4-8
Endpoint
/v1/chat/completions
PixMind inputs
Text · Vision

Adaptive thinking; effort low to max

Current token pricing

Input

3,822

points per 1M tokens

Output

19,110

points 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 4.8Current pagestable long-context reasoning, code review, and demanding document synthesisText · Vision131,0723,822
Claude Opus 5complex professional reasoning, autonomous coding, and self-correcting workflowsText · Vision131,0723,822
Claude Sonnet 5production coding, tool use, and structured knowledge work with balanced costText · Vision131,0721,528.8
GPT-5.6 Terrabalanced everyday reasoning and multimodal workText · Vision128,0001,477.84

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 are the PixMind route snapshot verified on September 4, 2026.

Frequently asked questions

How do I use Claude Opus 4.8 for “Long-document synthesis”?

Extract decisions, disagreements, evidence, and action items from a large source set. Start with this template: Analyze these documents as one evidence set. Separate confirmed facts, open questions, and contradictions. Produce an executive summary plus a source-linked action table.

How do I use Claude Opus 4.8 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 4.8 for “Evidence-led research plan”?

Turn an open question into hypotheses, evidence needs, evaluation criteria, and a final report shape. Start with this template: Design a research plan for [question]. List competing hypotheses, the evidence needed to test each one, source-quality criteria, stopping rules, and the final report outline.

What inputs does Claude Opus 4.8 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 4.8?

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 4.8 usage priced?

Current directory pricing is 3822 input points and 19110 output points per 1 million tokens.

When should I choose another model over Claude Opus 4.8?

Claude Opus 4.8 is positioned for stable long-context reasoning, code review, and demanding document synthesis. 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 4.8 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 4.8

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

Start chatting