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GPT-5.5 (medium)

![OpenAI](https://artificialanalysis.ai/img/logos/openai_small.svg)OpenAI
57/ 57

Intelligence Score

Intelligence

57

#6 of 203 (top 3%)

Speed

73 tok/s

#88 of 131

Price

$11.25

per M tokens

#134 cheapest of 136

Context Window

922K

tokens

Latency: 6ms (#108)

Score Breakdown

Quality Score95%
Speed Score11%
Cost Score0%

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Use This Model

Claude Code

claude --model gpt-5-5-medium

API (cURL)

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -d '{
    "model": "gpt-5-5-medium",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Vercel AI SDK

import { generateText } from "ai";
import { openrouter } from "@openrouter/ai-sdk-provider";

const { text } = await generateText({
  model: openrouter("gpt-5-5-medium"),
  prompt: "Hello",
});
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