GPT-5.6 API
About
Build advanced reasoning agents with GPT-5.6, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $5.00/1M input and $30.00/1M output tokens, native tool calling support. Access GPT-5.6 via the Cloudflare AI Gateway API with up to 128K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Limits
Context Window
1.1M
Tokens
Input Limit
922K
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$5.00
Output
$30.00
Caching (per 1M tokens)
Read
$0.50
Write
$6.25
Frequently Asked Questions
GPT-5.6 by Cloudflare AI Gateway costs $5.00 per 1M input tokens and $30.00 per 1M output tokens. Cached reads cost $0.50 per 1M tokens. Cache writes cost $6.25 per 1M tokens.
Model Details
ID
openai/gpt-5.6
Provider
Cloudflare AI GatewayFamily
gpt-sol
Release Date
Jul 9, 2026
Knowledge Cutoff
Feb 16, 2026
API Integration
NPM Package
ai-gateway-provider
Environment Variables
CLOUDFLARE_API_TOKEN
CLOUDFLARE_ACCOUNT_ID
CLOUDFLARE_GATEWAY_ID
API Base URL
https://gateway.ai.cloudflare.com/v1/${CLOUDFLARE_ACCOUNT_ID}/${CLOUDFLARE_GATEWAY_ID}/compat/