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GPT-5 High

Multimodal
OpenAI

GPT-5 High delivers enhanced reasoning capabilities with high-intensity thinking for complex tasks. This variant is optimized for coding and agentic tasks across domains, offering deeper analysis and more thorough responses for tasks requiring extended reasoning.

Key Specifications

Parameters
-
Context
400.0K
Release Date
August 6, 2025
Average Score
91.0%
API Documentation

Timeline

Key dates in the model's history
Announcement
August 6, 2025
Today
March 25, 2026

Technical Specifications

Parameters
-
Training Tokens
-
Knowledge Cutoff
September 1, 2024
Family
-
Capabilities
MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)
$2.00
Output (per 1M tokens)
$8.00
Max Input Tokens
400.0K
Max Output Tokens
128.0K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Reasoning

Logical reasoning and analysis
GPQA
• Self-reported
87.0%

Other Tests

Specialized benchmarks
AIME 2025
• Self-reported
95.0%

License & Metadata

License
proprietary
Announcement Date
August 6, 2025
Last Updated
August 6, 2025

Compare GPT-5 High

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vs GPT-5.1 Thinkingvs GPT-5.4vs GPT-5 Mediumvs GPT-5.1 Highvs GPT-5.1 Instantvs GPT-5.1 Codex Highvs GPT-5.2vs GPT-5.1 Medium

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