GPT OSS 20B

Model details

← Back

GPT OSS 20B

Model
@cf/openai/gpt-oss-20b
Provider
cloudflare-workers-ai
API
openai-completions
Base URL
https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1
Input
text
Reasoning
Yes
Context window
128,000
Max tokens
16,384
Cost / million input
$0.2
Cost / million output
$0.3
Cost / million cache read
$0
Cost / million cache write
$0

Also available from other providers

Model config JSON
{
  "providers": {
    "cloudflare-workers-ai": {
      "apiKey": "YOUR_API_KEY",
      "models": [
        {
          "id": "@cf/openai/gpt-oss-20b",
          "name": "GPT OSS 20B",
          "reasoning": true,
          "input": [
            "text"
          ],
          "contextWindow": 128000,
          "maxTokens": 16384,
          "cost": {
            "input": 0.2,
            "output": 0.3,
            "cacheRead": 0,
            "cacheWrite": 0
          },
          "compat": {
            "sendSessionAffinityHeaders": true
          }
        }
      ],
      "api": "openai-completions",
      "baseUrl": "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1"
    }
  }
}