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o3
openaiopenai/o3
API 使用指南
Chat 调用
标准 OpenAI 兼容 chat 调用。o3 在 TheRouter 上通过 /v1/chat/completions 暴露——与 gpt-4o、gpt-5 完全一致的接口和 SDK。
cURL
curl https://api.therouter.ai/v1/chat/completions \
-H "Authorization: Bearer $THEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/o3",
"messages": [
{"role": "user", "content": "Prove that the sum of two odd numbers is even."}
]
}'Reasoning 强度控制
o3 支持 reasoning_effort = low | medium | high。更高的 effort 意味着更深的推理链与更多 reasoning token(按输出计费)。默认 medium。
cURL
curl https://api.therouter.ai/v1/chat/completions \
-H "Authorization: Bearer $THEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/o3",
"reasoning_effort": "high",
"messages": [
{"role": "user", "content": "Walk through the failure modes of a 2-of-3 Raft cluster losing a leader."}
]
}'视觉输入
o3 接受文本 + 图像输入。在 user 消息中传 image_url 部分即可——与 gpt-4o 多模态调用结构一致,输出仅为文本。
cURL
curl https://api.therouter.ai/v1/chat/completions \
-H "Authorization: Bearer $THEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/o3",
"messages": [
{"role": "user", "content": [
{"type": "text", "text": "What is wrong with this architecture diagram?"},
{"type": "image_url", "image_url": {"url": "https://therouter.ai/assets/vision-sample.png"}}
]}
]
}'工具调用
o3 支持 OpenAI 风格的 function calling 与结构化输出。OpenAI 推理最佳实践建议:宁可少而精、把工具描述写清楚,避免一长串平铺工具。
cURL
curl https://api.therouter.ai/v1/chat/completions \
-H "Authorization: Bearer $THEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/o3",
"messages": [{"role": "user", "content": "What is the weather in Tokyo right now?"}],
"tools": [
{
"type": "function",
"function": {
"name": "get_weather",
"description": "Get the current weather for a city.",
"parameters": {
"type": "object",
"properties": {"city": {"type": "string"}},
"required": ["city"]
}
}
}
]
}'事实档案 — 本页每条断言可在此回溯来源
| 来源 | URL | 采集于 | |
|---|---|---|---|
| 发布日期 | openai.com ↗ | 2026-05-31 | 已核实 |
| 快照版本 | developers.openai.com ↗ | 2026-05-31 | 已核实 |
| 知识截止日期 | developers.openai.com ↗ | 2026-05-31 | 已核实 |
| 上下文窗口 | developers.openai.com ↗ | 2026-05-31 | 已核实 |
| 最大输出 Token | developers.openai.com ↗ | 2026-05-31 | 已核实 |
| 推理 Token | developers.openai.com ↗ | 2026-05-31 | 已核实 |
| 状态 | developers.openai.com/deprecations ↗ | 2026-05-31 | 已核实 |
| Codeforces | openai.com ↗ | 2026-05-31 | 已核实 |
| SWE-bench Verified | openai.com ↗ | 2026-05-31 | 已核实 |
| AIME 2024 | openai.com ↗ | 2026-05-31 | 已核实 |
| AIME 2025 | openai.com ↗ | 2026-05-31 | 已核实 |
| GPQA Diamond | datacamp.com ↗ | 2026-05-31 | 待核实 |
| MMMU | openai.com ↗ | 2026-05-31 | 待核实 |
| o3-pro 在 API 与 ChatGPT Pro 上线 | OpenAI Help Center ↗ | 2026-05-31 | 已核实 |
| OpenAI o3 与 o4-mini 发布 | openai.com ↗ | 2026-05-31 | 已核实 |
| o3 现在弃用了吗? | developers.openai.com ↗ | 2026-05-31 | 待核实 |
| o3 的上下文窗口与最大输出是多少? | developers.openai.com ↗ | 2026-05-31 | 待核实 |
| o3 支持图像输入吗? | developers.openai.com ↗ | 2026-05-31 | 待核实 |
| o3 与 GPT-5 在价格上如何对比? | developers.openai.com ↗ | 2026-05-31 | 待核实 |