Anthropic: Claude Opus 4.1 (20250805) API
About
Build advanced reasoning agents with Anthropic: Claude Opus 4.1 (20250805), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $15.00/1M input and $75.00/1M output tokens, native tool calling support. Access Anthropic: Claude Opus 4.1 (20250805) via the Helicone API with up to 32K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Limits
Context Window
200K
Tokens
Input Limit
200K
Tokens
Max Output
32K
Tokens
Pricing
Standard (per 1M tokens)
Input
$15.00
Output
$75.00
Caching (per 1M tokens)
Read
$1.50
Write
$18.75
Frequently Asked Questions
Anthropic: Claude Opus 4.1 (20250805) by Helicone costs $15.00 per 1M input tokens and $75.00 per 1M output tokens. Cached reads cost $1.50 per 1M tokens. Cache writes cost $18.75 per 1M tokens.
Model Details
ID
claude-opus-4-1-20250805
Provider
HeliconeFamily
claude-opus
Release Date
Aug 5, 2025
Knowledge Cutoff
Aug 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
HELICONE_API_KEY
API Base URL
https://ai-gateway.helicone.ai/v1