GPT-5.5 是 OpenAI 先进的推理模型,专为智能体编程、知识型工作、科学研究以及复杂的多步任务执行而打造。

Pricing: Input 280 credits / 1M tokens (≈ $1.40), Cached Input 28 credits / 1M tokens (≈ $0.14), Output 1680 credits / 1M tokens (≈ $8.40). ~72% cheaper than official pricing. High-tier top-ups (+10% bonus) bring effective pricing down to ≈ $1.27 (Input), ≈ $0.13 (Cached), and ≈ $7.64 (Output) per 1M tokens.
gpt-5-5-openai-resp

Automatically append previous messages to maintain multi-turn context. May increase token usage.

Function calling
Web Access
Reasoning effort
Stream Response

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Complete guide to using gpt-5-5

高性价比 GPT-5.5 API:专为高级编程与复杂推理打造

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借助 GPT-5.5 API 构建更强大的代码智能体
借助 ChatGPT-5.5 API,将复杂知识工作转化为结构化输出
借助 GPT-5.5 API,支持多阶段科学研究
通过高效的 ChatGPT-5.5 API 推理,运行高强度 AI 工作负载
使用 GPT-5.5 API 强化防御性安全工作流
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模型评估GPT-5.5 ThinkingGPT-5.4 ThinkingGPT-5.5 ProGPT-5.4 ProClaude Opus 4.7Gemini 3.1 Pro
Terminal-Bench 2.082.70%75.10%——69.40%68.50%
GDPval84.90%83.00%82.30%82.00%80.30%67.30%
OSWorld-Verified78.70%75.00%——78.00%—
Toolathlon55.60%54.60%———48.80%
BrowseComp84.40%82.70%90.10%89.30%79.30%85.90%
FrontierMath Tier 1–351.70%47.60%52.40%50.00%43.80%36.90%
FrontierMath Tier 435.40%27.10%39.60%38.00%22.90%16.70%
CyberGym81.80%79.00%——73.10%—