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GPT-5

openai

GPT-5 is OpenAI's flagship language model that excels at complex reasoning, broad real-world knowledge, code-intensive, and multi-step agentic tasks.

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Capabilities

Tool Use

File Input

Extended Thinking

Image Input

Technical Specifications

Context Window

400,000 tokens

Max Output

128,000 tokens

Input Cost

$1.25 per 1M tokens

Output Cost

$10 per 1M tokens

File Input Limit

20 files

Files in Assistant Messages

Yes

Availability

Plus

Minimum plan required

$20 per month

Also available in these plans

Pro
$100/mo
Super
$200/mo