OpenAI

GPT-5.5

OpenAI 新一代通用旗舰模型，面向复杂推理、代码生成与专业工作流，提供 1M 上下文，并将很快支持 Responses 与 Chat Completions API

类型文本模型 Model ID gpt-5.5

上下文长度1M tokens

模型类型大语言模型 (LLM)

API 可用性将很快支持 Responses API 与 Chat Completions API

定价与规格

💰 定价

输入$5 / M tokens

输出$30 / M tokens

⚙️ 规格

上下文长度1M tokens

模型类型大语言模型 (LLM)

API 可用性将很快支持 Responses API 与 Chat Completions API

文档状态根据 OpenAI 面向 API 开发者的最新说明整理：gpt-5.5 将以 $5 / 1M 输入、$30 / 1M 输出、1M 上下文窗口提供

API 调用示例

Python (OpenAI SDK)

from openai import OpenAI

client = OpenAI(
    api_key="your-api-key",
    base_url="https://api.xairouter.com/v1"
)

response = client.chat.completions.create(
    model="gpt-5.5",
    messages=[
        {"role": "user", "content": "请帮我总结这段需求并拆成开发任务"}
    ]
)

print(response.choices[0].message.content)

cURL (OpenAI API)

curl https://api.xairouter.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "gpt-5.5",
    "messages": [
      {"role": "user", "content": "请帮我总结这段需求并拆成开发任务"}
    ]
  }'

开发者辅助

# 配置 ~/.codex/config.toml
cat > ~/.codex/config.toml << 'EOF'
model_provider = "xai"
model = "gpt-5.5"
model_reasoning_effort = "xhigh"
plan_mode_reasoning_effort = "xhigh"
model_reasoning_summary = "none"
model_verbosity = "medium"
model_context_window = 1000000
model_auto_compact_token_limit = 900000
tool_output_token_limit = 6000
approval_policy = "never"
sandbox_mode = "danger-full-access"
suppress_unstable_features_warning = true

[model_providers.xai]
name = "OpenAI"
base_url = "https://api.xairouter.com"
wire_api = "responses"
requires_openai_auth = false
env_key = "XAI_API_KEY"

[features]
multi_agent = true

[agents]
max_threads = 4
max_depth = 1
job_max_runtime_seconds = 1800
EOF

# 设置环境变量 (添加到 ~/.bashrc 或 ~/.zshrc)
export XAI_API_KEY="sk-Xvs..."

# 启动 Codex
codex

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