# DBRX vs GPT-5.3 Chat

> GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/dbrx-vs-gpt-5-3-chat
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. DBRX scores higher in 0 categories and GPT-5.3 Chat in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.3 Chat leads 63.1 to 33.6.
- DBRX has downloadable open weights; the other is API-only.

## Snapshot

| | DBRX | GPT-5.3 Chat |
|---|---|---|
| Provider | Databricks | OpenAI |
| Noometry Index | 29.4 | 42.8 |
| Rank | 311 | 109 |
| Context | — | 128K |
| Input $/M | — | $1.75 |
| Output $/M | — | $14 |
| Weights | Open | Proprietary |

## Coding

- DBRX: 32.9 (#266)
- GPT-5.3 Chat: 41.4 (#124)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Coding | 1132 | 1408 |
| HumanEval+ | 70.1% | — |
| MBPP+ | 55.8% | — |

## Reasoning

- DBRX: 21.4 (#222)
- GPT-5.3 Chat: 28.5 (#102)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1399 |

## Math

- DBRX: 24.3 (#269)
- GPT-5.3 Chat: 38.2 (#142)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Math | 1145 | 1389 |
| MATH Level 5 | 11.7% | — |

## Knowledge

- DBRX: 14.9 (#294)
- GPT-5.3 Chat: 38.8 (#140)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Expert | 1076 | 1397 |
| GPQA Diamond | 32.9% | — |

## Multilingual

- DBRX: 29.3 (#268)
- GPT-5.3 Chat: 50.3 (#124)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Non-English | 1071 | 1382 |
| LMArena Chinese | 1068 | 1432 |
| LMArena French | 1096 | 1397 |
| LMArena German | 1057 | 1384 |
| LMArena Japanese | 990 | 1352 |
| LMArena Korean | 993 | 1346 |
| LMArena Russian | 1078 | 1400 |
| LMArena Spanish | 1064 | 1371 |

## Instruction Following

- DBRX: 57.5 (#270)
- GPT-5.3 Chat: 72.8 (#129)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Instruction Following | 1112 | 1378 |

## Long Context

- DBRX: 33.7 (#258)
- GPT-5.3 Chat: 42.6 (#120)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Longer Query | 1112 | 1396 |

## Writing & Preference

- DBRX: 33.6 (#275)
- GPT-5.3 Chat: 63.1 (#68)

| Benchmark | DBRX | GPT-5.3 Chat |
|---|---|---|
| LMArena Text | 1119 | 1389 |
| LMArena Creative Writing | 1104 | 1355 |
| LMArena Multi-Turn | 1111 | 1412 |
| EQ-Bench Creative Writing | — | 1690 |

## FAQ

### Is DBRX better than GPT-5.3 Chat?

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 29.4 on the Noometry Index.

### Is DBRX or GPT-5.3 Chat better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 41.4 versus 32.9 in the Noometry coding category.

### How many benchmarks do DBRX and GPT-5.3 Chat share?

17 benchmarks have published results for both models. DBRX has 21 scored results on Noometry and GPT-5.3 Chat has 18.