# GPT-5.3 Chat vs Nemotron 3 Super

> GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 40.1 on the Noometry Index. Nemotron 3 Super costs 28× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-3-chat-vs-nemotron-3-super
- Last updated: 2026-10-12
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. GPT-5.3 Chat scores higher in 6 categories and Nemotron 3 Super in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.3 Chat leads 28.5 to 18.7.
- Nemotron 3 Super is cheaper at $0.08 / $0.45 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
- Nemotron 3 Super accepts more context: 262K tokens versus 128K.
- Nemotron 3 Super has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| Provider | OpenAI | NVIDIA |
| Noometry Index | 42.8 | 40.1 |
| Rank | 109 | 153 |
| Context | 128K | 262K |
| Input $/M | $1.75 | $0.08 |
| Output $/M | $14 | $0.45 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.3 Chat: 41.4 (#124)
- Nemotron 3 Super: 39.4 (#158)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Coding | 1408 | 1403 |
| SciCode | — | 36% |
| WeirdML | — | 38% |
| ALE-Bench | — | 213.9 |

## Reasoning

- GPT-5.3 Chat: 28.5 (#102)
- Nemotron 3 Super: 18.7 (#276)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Hard Prompts | 1399 | 1386 |
| NYT Connections (extended) | — | 15.4% |
| CritPt | — | 3.1% |

## Math

- GPT-5.3 Chat: 38.2 (#142)
- Nemotron 3 Super: 39.6 (#101)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Math | 1389 | 1380 |
| MathArena Final-Answer Competitions | — | 60.4% |

## Knowledge

- GPT-5.3 Chat: 38.8 (#140)
- Nemotron 3 Super: 38.9 (#139)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Expert | 1397 | 1398 |

## Multilingual

- GPT-5.3 Chat: 50.3 (#124)
- Nemotron 3 Super: 48.4 (#144)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Non-English | 1382 | 1355 |
| LMArena Chinese | 1432 | 1432 |
| LMArena French | 1397 | 1405 |
| LMArena German | 1384 | 1341 |
| LMArena Russian | 1400 | 1336 |
| LMArena Spanish | 1371 | 1417 |
| LMArena Japanese | 1352 | — |
| LMArena Korean | 1346 | — |

## Instruction Following

- GPT-5.3 Chat: 72.8 (#129)
- Nemotron 3 Super: 71.2 (#154)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Instruction Following | 1378 | 1347 |

## Long Context

- GPT-5.3 Chat: 42.6 (#120)
- Nemotron 3 Super: 41.5 (#139)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Longer Query | 1396 | 1362 |

## Writing & Preference

- GPT-5.3 Chat: 63.1 (#68)
- Nemotron 3 Super: 55.9 (#140)

| Benchmark | GPT-5.3 Chat | Nemotron 3 Super |
|---|---|---|
| LMArena Text | 1389 | 1378 |
| LMArena Creative Writing | 1355 | 1317 |
| LMArena Multi-Turn | 1412 | 1369 |
| EQ-Bench Creative Writing | 1690 | — |

## FAQ

### Is GPT-5.3 Chat better than Nemotron 3 Super?

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 40.1 on the Noometry Index. Nemotron 3 Super costs 28× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.3 Chat or Nemotron 3 Super?

Nemotron 3 Super is cheaper. It lists at $0.08 per million input tokens and $0.45 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

### Is GPT-5.3 Chat or Nemotron 3 Super better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 41.4 versus 39.4 in the Noometry coding category.

### Which has the bigger context window?

Nemotron 3 Super does, with 262K tokens against 128K.

### How many benchmarks do GPT-5.3 Chat and Nemotron 3 Super share?

15 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and Nemotron 3 Super has 21.