HASTATAgent stack guide Unknown
GPT-5.3 Chat
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Fresh · fetched 2026-08-17T02:11:57.739Z · Models.dev(opens in a new tab)
Minimum context128K
Output16K
Providers1
CapabilitiesTool calling
Provider offers
| Providers | Input / 1M | Output / 1M | Cache read / 1M | Context / output | Updated |
|---|---|---|---|---|---|
 ZenMuxopenai/gpt-5.3-chat | $1.75 | $14.00 | Unavailable | 128K | 2026-03-20 |
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 → text