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GPT-5.1 (thinking)

Frontier Vision OpenAI

OpenAI's flagship model for coding, reasoning, and agentic tasks across domains. Thinking set to maximum.

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 400,000 tokens

Max output 128,000 tokens

Knowledge cutoff September 2024

Multipart messages Yes

Vision capabilities Yes

Default Parameters

Temperature 0.3

Top P 1.0

Frequency penalty 0.0

Presence penalty 0.0

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