GPT-5.5 Instant by ZenMux | AI model information

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GPT-5.5 Instant by ZenMux | AI model information

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Model details

GPT-5.5 Instant

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ZenMuxopenai/gpt-5.5-instant

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Quick Info

Provider: ZenMux
Model key: openai/gpt-5.5-instant
Release date: May 5, 2026

Cost

Input token cost: $5.00
Output token cost: $30.00

Limits

Input tokens: 400,000 tokens
Output tokens

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Last updated

May 28, 2026

Knowledge cutoff

2025-12-01

Input modalities

Output modalities

Capabilities

128,000 tokens

Context window

400,000 tokens

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