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302.AI

gpt-5-thinking API

302.AI
About

Build advanced reasoning agents with gpt-5-thinking, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $1.25/1M input and $10.00/1M output tokens, native tool calling support. Access gpt-5-thinking via the 302.AI API with up to 128K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
400K

Tokens

Input Limit
400K

Tokens

Max Output
128K

Tokens

Pricing

Standard (per 1M tokens)

Input
$1.25
Output
$10.00
Frequently Asked Questions

gpt-5-thinking by 302.AI costs $1.25 per 1M input tokens and $10.00 per 1M output tokens.

Model Details
ID
gpt-5-thinking
Provider
302.AI
Family
Release Date
Aug 8, 2025
Knowledge Cutoff
Oct 1, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
302AI_API_KEY
API Base URL
https://api.302.ai/v1
Documentation