openai/gpt-5.5-pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
This model's cache
This model page returns the exact headers below. The page and /api/models/openai--gpt-5.5-pro share the model:openai--gpt-5.5-pro tag, so invalidation stays scoped to this model.
/models/openai--gpt-5.5-propublic, max-age=300, stale-while-revalidate=3600catalogmodel:openai--gpt-5.5-proWorkers Cache derives the key from this path/query, plus the Worker entrypoint and current Worker version.
export const Route = createFileRoute('/models/$modelSlug')({
headers: () => ({
'Cache-Control': 'public, max-age=300, stale-while-revalidate=3600',
'Cache-Tag': 'catalog,model:openai--gpt-5.5-pro',
}),
})Invalidate this cache tag
await ctx.cache.purge({ tags: ['model:openai--gpt-5.5-pro'] })Use this when one model changes and you do not want to evict the whole catalog.
- Released
- Apr 23, 2026
- Last updated
- Apr 23, 2026
- Context window
- 1.1M tokens
- Max output
- 128K tokens
- Open weights
- No
- Family
- Gpt Pro
Starts at
$27.27
per 1M input tokens
Output
$163.64
Sellers
8
No cart or checkout in this MVP — pick a provider below and open their docs when you're ready to use it.
Sorted by lowest input price
| Provider | Input / 1M | Output / 1M | Context | |
|---|---|---|---|---|
Poe openai/gpt-5.5-pro | $27.27 | $163.64 | 400K | Docs |
Vercel AI Gateway openai/gpt-5.5-pro | $30 | $180 | 1M | Docs |
ZenMux openai/gpt-5.5-pro | $30 | $180 | 1.1M | Docs |
OpenAI gpt-5.5-pro | $30 | $180 | 1.1M | Docs |
OrcaRouter openai/gpt-5.5-pro | $30 | $180 | 1.1M | Docs |
Kilo Gateway openai/gpt-5.5-pro | $30 | $180 | 1.1M | Docs |
OpenRouter openai/gpt-5.5-pro | $30 | $180 | 1.1M | Docs |
FastRouter openai/gpt-5.5-pro | $30 | $180 | 1.1M | Docs |
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