HASTATAgent stack guide gpt-pro
GPT-5.5 Pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
Fresh · fetched 2026-08-17T02:11:57.739Z · Models.dev(opens in a new tab)
Minimum context1.05M
Output128K
Providers14
CapabilitiesTool calling, Reasoning, Image input
Provider offers
| Providers | Input / 1M | Output / 1M | Cache read / 1M | Context / output | Updated |
|---|---|---|---|---|---|
 OrcaRouteropenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 Impossiblopenai/gpt-5.5-pro | $30.00 | $180.00 | $3.00 | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 OpenRouteropenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 CrossModelopenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 OpenAIgpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 Cloudflare AI Gatewayopenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 FastRouteropenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05M | 2026-04-23 |
 ZenMuxopenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 OpenCode Zengpt-5.5-pro | $30.00 | $180.00 | $30.00 | 1.05M | 2026-04-24 |
 Poeopenai/gpt-5.5-pro | $27.27 | $163.64 | Unavailable | 400K | 2026-04-08 |
 Vercel AI Gatewayopenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1M | 2026-04-23 |
 Eden AIopenai/gpt-5.5-pro | $30.00 | $180.00 | $3.00 | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 LLM Gatewaygpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05MContextual or tiered pricing reported | 2026-04-23 |
 Kilo Gatewayopenai/gpt-5.5-pro | $30.00 | $180.00 | Unavailable | 1.05M | 2026-04-23 |
Lowest reported provider price in USD per 1M tokens; unavailable is not free. Provider documentation remains authoritative. Catalogue presence is not an uptime, security, or quality endorsement.
Source metadata and limitations
Capabilities are source-reported. Tool calling does not prove quality in a particular harness. Prices and limits can change.
Modalities: text, image, pdf → text