GPT-5
Frontier
OpenAI's 2025 flagship, unified reasoning + multimodal model with a 400K context. Replaces the GPT-4 line as the default ChatGPT and API model.
GPT-5 is a frontier AI model from OpenAI. It costs $1.250 per million input tokens and $10.000 per million output tokens (blended $3.875/M), with a 400,000-token context window.
INPUT
$1.250/M
per million input tokens
OUTPUT
$10.000/M
per million output tokens
CONTEXT
400,000
tokens
What it is good at
- Unified reasoning + chat
- 400K context
- Native vision
- Strong tool use
- Best-in-class JSON mode
Typical use cases
- General chat assistants
- Vision tasks
- Complex agentic workflows
- Structured output generation
Benchmarks
vs. best public score
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.
More from OpenAI
See all 28 →GPT-5.6 Sol
Frontier · 1,050,000 ctx
in $5.000/Mout $30.000/M
GPT-5.6 Terra
Balanced · 1,050,000 ctx
in $2.000/Mout $12.000/M
GPT-5.6 Luna
Efficient · 1,050,000 ctx
in $0.200/Mout $1.200/M
GPT-5.5
Frontier · 1,050,000 ctx
in $5.000/Mout $30.000/M
GPT-5.2
Frontier · 400,000 ctx
in $1.750/Mout $14.000/M
GPT-5.2-Codex
Coding · 400,000 ctx
in $1.750/Mout $14.000/M
Frequently asked questions
How much does GPT-5 cost?
GPT-5 costs $1.250 per million input tokens and $10.000 per million output tokens, for a blended reference rate of $3.875 per million tokens.
What is GPT-5's context window?
GPT-5 supports up to 400,000 tokens of context in a single request.
What is GPT-5 best for?
GPT-5 is well suited to Unified reasoning + chat, 400K context and Native vision.
Who makes GPT-5?
GPT-5 is developed and served by OpenAI. It was released in 2025.