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Claude Opus 4.1 API pricing, benchmarks and specs | AshnaAI

Anthropic

Claude Opus 4.1

Claude Opus 4.1 is a previous-generation Anthropic flagship for deep analysis, coding, and long-form writing.

Try this model API docs

Model details

Model ID: claude-opus-4.1
Provider: Anthropic
Modality: Text generation
Context window: 200,000 tokens
Input → output: Text / image → text
Released: Aug 5, 2025
Available on AshnaAI: Oct 3, 2026

Where this model fits

Best capabilities

Multi-step reasoning and complex instruction following
Tool calling and agent workflows
Image and document understanding
Web-connected research tasks

Best for

Complex analysis, planning, research, and high-stakes knowledge work
Tasks where response quality matters more than minimum latency
Agents that need to call APIs or execute multi-step workflows

Not ideal for

Ultra-low-cost, latency-sensitive, high-volume classification

Benchmarks

No comparable, source-verified benchmark has been published for this catalog entry yet.

Pricing (USD)

Limited-time 30% discount

Input / 1M tokens: $18.07$12.65
Output / 1M tokens: $90.36$63.25
Cached input / 1M: $1.81$1.27
Cache write / 1M: $22.59$15.81

Capabilities

reasoningSupported
toolsSupported
visionSupported
web searchSupported
filesSupported

Available regions

US East (N. Virginia)

us-east-1

Europe (Frankfurt)

eu-central-1

Asia Pacific (Mumbai)

ap-south-1

Multi-region and provider failover: Active

Requests automatically switch to another region or provider if one becomes unavailable.