Claude Opus 4.6 API
$4.132(~ 297.5 credits) per 1M input tokens; $21.250(~ 1530 credits) per 1M output tokens
$5.313(~ 382.5 credits) per 1M cache write tokens; $0.425(~ 30.6 credits) per 1M cache read tokens
Web search tool charged separately per request.
Highest stability with guaranteed 99.9% uptime. Recommended for production environments.
Use the same API endpoint for all versions. Only the model parameter differs.
Claude Opus 4.6 API — Anthropic's most intelligent model
Claude Opus 4.6 (Claude 4.6 Opus) pairs hybrid reasoning with a 1M context window at standard pricing and up to 64K output tokens for advanced coding, research, and agentic workflows.
What can you build with the Claude Opus 4.6 API?
Frontier-Grade Reasoning
Solve multi-step planning, financial analysis, and technical strategy with Opus 4.6's hybrid reasoning. The 1M context window lets you process large specs, logs, or contracts in one pass, then generate a defensible rationale and prioritized actions.
Production-Grade Coding
Use Anthropic's flagship model for architecture, refactors, code review, and bug fixing. With up to 64K output tokens, generate long diffs, test suites, migration plans, and detailed implementation steps that are easier to execute.
Agentic Workflows & Tool Use
Build reliable agents that plan, call tools, and maintain context across multi-step tasks. Opus 4.6 is designed for advanced agents and tool-heavy workflows that require precision, persistence, and predictable outputs.
Why teams choose the Claude Opus 4.6 API on EvoLink
Get Anthropic's flagship intelligence with stable model IDs, prompt caching, and unified routing through EvoLink's single API key.
Flagship reasoning for the hardest work
Opus 4.6 is built for complex planning, deep analysis, and long-horizon tasks where quality matters more than speed.
Production stability with versioned IDs
Use `claude-opus-4-6` for fast iteration, or pin a versioned ID to keep behavior consistent across releases.
Cost control without sacrificing quality
Prompt caching supports 5-minute and 1-hour caches, and cache hits are billed at 0.1x the base input rate to reduce repeat costs.
How to integrate the Claude Opus 4.6 API
Connect through EvoLink, choose your model ID, and tune cost vs. quality in minutes.
Step 1 — Create your EvoLink API key
Sign up for EvoLink to get a single API key that routes to Anthropic, Bedrock, or Vertex AI.
Step 2 — Select the model ID
Use `claude-opus-4-6` to access the latest Opus 4.6 model through EvoLink's unified API.
Step 3 — Optimize quality and cost
Claude Opus 4.6 supports the `effort` parameter to trade off thoroughness and token usage, and prompt caching to lower repeat costs.
Claude Opus 4.6 API capabilities
Key specs and model features for production use
1M Context Window
Read very large documents or codebases in a single request at standard Anthropic pricing.
64K Max Output
Generate long-form answers, plans, and code without early truncation.
Hybrid Reasoning + Extended Thinking
Combine fast responses with deeper reasoning when tasks become complex.
Vision + Multilingual Input
Accept text and image inputs with strong multilingual understanding.
Prompt Caching Rates
Cache writes and reads are priced separately; cache hits are billed at 0.1x the base input price.
Stable IDs & Aliases
Aliases auto-upgrade to the newest snapshot, while versioned IDs keep results consistent.
All Claude API Models
EvoLink provides unified API access to the full Claude model family — Opus for flagship intelligence, Sonnet for everyday balance, and Haiku for speed and scale. All models share the same EvoLink API endpoint. Switch models with one parameter.
Claude Opus 4.6 API - FAQ
Everything you need to know about the product and billing.