grok-4-0709 vs GPT-5.3-Instant
GPT-5.3-Instant is cheaper on output tokens, while grok-4-0709 offers a larger context window. Choose grok-4-0709 or GPT-5.3-Instant based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | grok-4-0709 | GPT-5.3-Instant |
|---|---|---|
| Provider | Jiekou.AI | Poe |
| Input / 1M tokens | $2.70 | $1.60 |
| Output / 1M tokens | $13.50 | $13.00 |
| Context window | 256K | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jan 2026 | Mar 2026 |
| LiveBench score | 61.8 | 59.8 |
FAQ
Is grok-4-0709 or GPT-5.3-Instant cheaper?
GPT-5.3-Instant is cheaper on output tokens ($13.00 vs $13.50 per 1M).
Which has the larger context window, grok-4-0709 or GPT-5.3-Instant?
grok-4-0709 has the larger context window (256K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.