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Claude

Claude Opus 4.6 — Anthropic

Anthropic's precision agent for complex tasks. 1M token context in beta, adaptive thinking that adjusts reasoning depth on the fly, and Agent Teams that orchestrate parallel workflows. The model that reads your entire codebase and actually remembers page 847.

Released

Feb 4, 2026

Context

200K (1M beta)

Starting Price

$20/mo (Pro)

Max Output

128K tokens

01

Overview

Claude is Anthropic's flagship AI assistant, designed with a focus on being helpful, harmless, and honest. It's not the flashiest name in AI, but it's the model that developers and enterprises keep coming back to when the work actually matters.

Claude Opus 4.6 represents a significant leap in capability. Its adaptive thinking system automatically decides how deeply to reason based on task complexity — simple questions get fast answers, while complex problems trigger extended analysis. No more paying for deep reasoning on 'what's 2+2.'

The standout feature for developers is Agent Teams: the ability to orchestrate multiple Claude Code instances working in parallel on different parts of a project. A lead agent coordinates the work, spawns teammates for subtasks, and synthesizes results. It's pair programming with an entire team.

Access the free tier at claude.ai (runs on Sonnet 4.5) or upgrade to Pro ($20/mo) for Opus 4.6 access. Available via API, Microsoft Azure Foundry, and Google Cloud Vertex AI.

02

Key Capabilities

Adaptive Thinking

Automatically adjusts reasoning depth — fast for simple tasks, deep for complex ones

Agent Teams (Swarms)

Orchestrate multiple Claude Code instances working in parallel on a project

Computer Use

Most accurate model for operating computers — navigates interfaces, fills forms, moves data across applications

1M Token Context (Beta)

Process entire codebases, legal documents, or research papers in a single conversation

128K Max Output

Generate extremely long, detailed responses without truncation

Compaction

Automatic server-side context summarization when conversations approach the limit

Industry-Leading Coding

65.4% on Terminal-Bench 2.0 — state-of-the-art across coding benchmarks

Long-Context Coherence

76% accuracy on MRCR v2 8-needle 1M variant

03

Pricing

Tier Price Details
Free $0 Runs on Sonnet 4.5. Projects, Artifacts, app connectors. Tighter limits.
Pro $20/mo ($17/mo annual) ~5x free tier messages (~45 / 5 hrs). Opus 4.6 access.
Max 5x $100/mo 25x free tier capacity.
Max 20x $200/mo 100x free tier capacity.
Team $25-$30/user/mo Collaboration features, admin controls.
Enterprise Custom SSO, audit logging, compliance APIs, enhanced context.
API — Opus 4.6 $5 / $25 per 1M tokens Input / output. Up to 90% savings with prompt caching.
API — Sonnet 4.6 $3 / $15 per 1M tokens Mid-tier performance at lower cost.
API — Haiku 4.5 $1 / $5 per 1M tokens Fastest, most affordable.

04

Best Use Cases

Complex software development and large codebase management

Long, sustained coding sessions and agentic coding tasks

Multi-application workflow automation via computer use

Enterprise document analysis — legal, financial, medical

Research tasks requiring long-context coherence across massive documents

Building AI-powered applications via the API

Tasks requiring safety, compliance, and governance

05

Pro Prompts

Codebase Analysis

Debug this large codebase and suggest refactors. Prioritize by impact-to-effort ratio. Flag any security concerns you spot.

Agent Workflow

You are the lead agent. Break this feature into parallel subtasks, assign each to a teammate, and synthesize their outputs into a cohesive implementation.

Document Deep Dive

Analyze this 200-page contract. Extract every obligation, deadline, and liability clause. Flag anything that deviates from standard commercial terms.

Computer Use

Navigate to [application], export the Q4 report as CSV, clean the data, and create a summary dashboard in Google Sheets.

06

Limitations

Higher latency at high/max effort levels, especially on complex reasoning tasks

1M context window is beta-only with a 4% timeout error rate; standard is 200K

Spatial reasoning remains a common weakness

Agent Teams can occasionally duplicate work and burn through tokens quickly

Free tier does NOT include Opus 4.6 — runs on Sonnet 4.5

Can "overthink" simple tasks at default effort, adding unnecessary cost and latency

No native image generation — text and code output only

07

Multimodal Capabilities

Vision

  • Charts, graphs, technical diagrams
  • Reports and screenshots

Computer Use

  • Desktop software operation
  • GUI navigation and form filling

File Uploads

  • PDFs and documents
  • Spreadsheets and presentations

Output

  • Text and code only
  • No native image, audio, or video generation

08

Recent Updates

Feb 4, 2026

Opus 4.6 launched with Agent Teams, 1M context (beta), adaptive thinking, and compaction

Feb 2026

Free tier expanded to include Projects, Artifacts, and app connectors

Milestone

Sonnet 4.6 released alongside Opus, matching near-flagship performance at 1/5 the cost

Milestone

Now available on Microsoft Azure Foundry and Google Vertex AI