All models
GPT-5.4 (thinking)

GPT-5.4 (thinking)

Frontier Vision OpenAI

OpenAI's frontier model configured with high reasoning effort for complex professional tasks.

Try on Simtheory
Claude 3.7 Sonnet Frontier Claude 3.7 Sonnet (high output) Frontier Claude 3.7 Sonnet (thinking) Frontier Claude 4.5 Opus Frontier Claude 4.5 Sonnet Frontier Claude 4.5 Sonnet (thinking) Frontier Claude 4.6 Opus Frontier Claude 4.6 Opus Max Frontier Claude 4.6 Sonnet Frontier Claude 4.6 Sonnet Max Frontier

Specifications

Context window 1,050,000 tokens
Max output 128,000 tokens
Knowledge cutoff August 2025
Multipart messages Yes
Vision capabilities Yes

Default Parameters

Temperature 0.3
Top P 1.0
Frequency penalty 0.0
Presence penalty 0.0

More from OpenAI