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GPT-5.3-Instant
openai·openai/gpt-5.3-instant·GA·Closed
Compact GPT model for low-latency assistance and high-volume workloads
At a glance
Reference price$1.60 / $13.00 per 1M
Cache read $0.16 · Poe
Lowest paid$1.60 / $13.00
Poe Gateway
Context128,000
Output limit16,384
Capabilities
Reasoning✓ Tool use? Structured outputTemperature✓ Attachments
Modalities
TextImage
Knowledge cutoff—
Released / updated2026-03-03 / 2026-03-03
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Poe | Gateway | $1.60 | $13.00 | $0.16 | — | 128,000 | 16,384 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Poe$797.20
The cheapest paid channel is the only channel.
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Price historyone sample accumulated per data sync
Input listOutput listMin blended