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GPT-5

openai

OpenAI's original GPT-5 flagship excelling at complex reasoning, broad knowledge, advanced coding, and multi-step agentic tasks.

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Capabilities

Tool Use

PDF Input

Extended Thinking

Image Input

Image Generation

Example Use Cases

Complex reasoning tasks

Advanced coding

Multi-step agentic tasks

Technical Specifications

Context Window

400,000 tokens

Max Output

128,000 tokens

Cache Miss Cost

$1.25 per 1M tokens

Non-Reasoning Cost

$10 per 1M tokens

Cache Read Cost

$0.13 per 1M tokens

Web Search Cost

$10 per 1K calls

Code Execution Cost

$30 per 1K calls

Image Generation Cost

$400 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Outdated model

Recommended Replacement

GPT-5.2