GPT-5 Pro

curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-pro",
    "messages": [
      {"role": "user", "content": "Prove the Riemann hypothesis step by step, explaining each lemma."}
    ]
  }'

curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Accept: text/event-stream" \
  -d '{
    "model": "openai/gpt-5-pro",
    "messages": [
      {"role": "user", "content": "Derive the equation for relativistic rocket motion."}
    ],
    "stream": true
  }'

curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-pro",
    "messages": [{"role": "user", "content": "Find the current stock price of NVDA and TSMC, compare their P/E ratios, and calculate which one had better 1-year growth."}],
    "tools": [{
      "type": "function",
      "function": {
        "name": "get_stock_price",
        "description": "Get current stock price and P/E ratio for a ticker symbol",
        "parameters": {
          "type": "object",
          "properties": {
            "ticker": {"type": "string", "description": "Stock ticker symbol"}
          },
          "required": ["ticker"]
        }
      }
    }],
    "parallel_tool_calls": true
  }'

curl https://api.therouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $THEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-pro",
    "messages": [
      {"role": "user", "content": "Analyse this clinical trial result and return findings in the specified JSON schema:\n\n<trial data>"}
    ],
    "response_format": { "type": "json_schema", "json_schema": {
      "name": "trial_analysis",
      "schema": {
        "type": "object",
        "properties": {
          "efficacy": {"type": "string"},
          "safety_concerns": {"type": "array", "items": {"type": "string"}},
          "recommendation": {"type": "string"}
        },
        "required": ["efficacy", "safety_concerns", "recommendation"]
      }
    }}
  }'