GPT-5.5 Pro by OpenCode Zen | AI model information

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GPT-5.5 Pro by OpenCode Zen | AI model information

$10 off Synthetic - fastest OpenCode provider$10 off Synthetic - the fastest Kimi K2.6 and GLM 5.1 provider Discuss

Model details

GPT-5.5 Pro

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OpenCode Zengpt-5.5-progpt-pro

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Quick Info

Provider: OpenCode Zen
Model key: gpt-5.5-pro
Release date: Apr 24, 2026
Last updated: Apr 24, 2026

Cost

Input token cost: $30.00
Output token cost: $180.00

Limits

Input tokens: 922,000 tokens
Output tokens

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302.AI Azure Azure Cognitive Services Jiekou.AI LLM Gateway +6 more

8 providers

Currently listed through these providers:

DigitalOcean Jiekou.AI LLM Gateway NanoGPT OpenAI +3 more

1 provider

OpenAI: GPT-5 Pro

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Knowledge cutoff

2025-12-01

AI SDK package

@ai-sdk/openai

Input modalities

Output modalities

Capabilities

128,000 tokens

Context window

1,050,000 tokens

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