Claude Opus 5

claude-opus-5

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. The model maintains strong instruction following and tool use across extended tasks, while remaining effective at lower effort settings for workloads that prioritize latency and token efficiency.

Context Window

1M tokens

Maximum Output

128K tokens

Release Date

Jul 24, 2026

Modalities

Claude Opus 5 Pricing

Input PriceOutput PriceCache Read
$5/M$25/M$0.5/M

Claude Opus 5 API Capabilities

Reasoning

Supported

Tool calling

Supported

Temperature parameter

Not supported

Attachments

Supported

Knowledge Base

2026-05-01

Endpoint Protocols

Completions APIMessages API

Claude Opus 5 Model Highlights

Claude Opus 5 combines deep reasoning, long-horizon agentic coding, visual understanding and a million-token context window for complex professional work.

Deep Adaptive Reasoning

Thinking is enabled by default, and effort levels from low through max let the model sustain multi-step analysis across difficult problem chains.

Long-Horizon Agentic Coding

The model can remain focused through extended engineering loops and complete multi-file features, larger refactors and end-to-end implementations.

Million-Token Multimodality

A one-million-token context window supports sustained reasoning over extensive text, charts, documents, diagrams and interface visuals.

Claude Opus 5 Use Cases

Claude Opus 5 is suited to end-to-end software projects, precise code review and complex professional documents that require sustained reasoning.

End-to-End Software Projects

Plan and implement substantial features, coordinate changes across many files and verify the completed behavior over extended work sessions.

Code Review and Bug Finding

Inspect changes across a repository, identify functional defects and explain actionable fixes with limited irrelevant findings.

Complex Business Artifacts

Analyze source material and create structured reports, multi-sheet spreadsheets or presentation content with coherent organization.

How to Use Claude Opus 5 via the TokenHub API

Create API key
import OpenAI from "openai"

const client = new OpenAI({
  apiKey: process.env.TOKENHUB_API_KEY,
  baseURL: "https://us-api.tokenhub.com/v1",
})

const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)

Claude Opus 5 Benchmarks

Index score
Artificial Analysis Intelligence IndexArtificial Analysis broad capability aggregate60.7
Artificial Analysis Coding IndexArtificial Analysis software task aggregate78
Knowledge & Reasoning
GPQAAdvanced science problem solving93.2%
HLEBroad expert-level exam set52.6%
Coding & Engineering
SciCodeScientific coding challenges55.7%
Instruction Following & Agent Tasks
AA-LCRLong-context reasoning70%

Metrics sourced from Artificial Analysis

Claude Opus 5 Comparisons

Kimi K3VSClaude Opus 5

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Claude Opus 5VSClaude Fable 5

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GPT-5.6 SolVSClaude Opus 5

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Claude Sonnet 5VSClaude Opus 5

Claude Sonnet 5 vs Claude Opus 5 model comparison reviews pricing, context limits, output tokens, modalities, benchmarks, and API fit for production AI apps.

Claude Opus 5 Media and Demos

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Claude Opus 5 FAQs

Useful questions about using Claude Opus 5 on TokenHub.

What is Claude Opus 5?+

Claude Opus 5 is Anthropic’s advanced Opus model for complex analysis, agentic coding, long-running tasks, and professional knowledge work.

What is Claude Opus 5 best used for?+

It is well suited to demanding coding, multi-step agent workflows, document and image analysis, research synthesis, and other tasks that benefit from deep reasoning.

What are the main strengths of Claude Opus 5?+

Its strengths include deep reasoning, strong coding and tool use, adaptive thinking, and support for very large inputs. These capabilities make it useful for long, complex workflows.

What limitations or tradeoffs should I consider?+

Claude Opus 5 has moderate latency and premium pricing compared with faster models. Important outputs still need review, and availability, limits, and supported features can vary by provider.

How do I use Claude Opus 5 through TokenHub?+

Select claude-opus-5 as the model in your TokenHub API request and use the endpoint and credentials shown in your TokenHub account. Check the live model page for supported parameters and limits.

How is Claude Opus 5 priced and when should I choose it?+

Anthropic lists standard API pricing at $5 per million input tokens and $25 per million output tokens. Choose it when deep reasoning and reliability matter more than minimum cost or latency; TokenHub pricing may differ, so check the current model page.

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Use one API key to access Claude Opus 5 and more AI models through TokenHub.

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