GPT-5.3 Chat (latest)
| Released | 2026-03-03 |
|---|---|
| Price per 1M | $1.75 in · $14.00 out |
| Overall score | 55.5 (early, few results) |
| Context window | 128,000 tokens |
| Provider | OpenAI |
| Weights | Proprietary |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 55.5 | 3 | |
| General | 55.5 | 3 | |
| Value vs price | +3.1 |
Evidence
General 55.5 ±3.2
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena Text | 1,450 | LMArena | 2026-11-09 |
| EQ-Bench Creative Writing v3 | 1,690 | EQ-Bench | 2026-11-11 |
| EQ-Bench Longform Creative Writing | 62.6% | EQ-Bench | 2026-11-11 |
Names matched to this model
gpt-5-3, gpt-5-3-chat-latest