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GPT-5 Codex vs Nemotron Labs Dory 1.0 (4B)

GPT-5 Codex leads the LLM Stats Score 26.5 to 21.8.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-5 Codex leads the overall LLM Stats Score 26.5 to 21.8, ranking #170 overall.

In the 1 individual benchmarks reported for both models, GPT-5 Codex wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-5 Codex

  • overall performance matters — it scores 26.5 and ranks #170 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose Nemotron Labs Dory 1.0 (4B)

  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-5 Codex
OpenAI
Nemotron Labs Dory 1.0 (4B)
NVIDIA
Core performance indexes
LLM Stats Score
26.5
#170
21.8
#203
Reasoning
26.4
#169
19.6
#216
Coding
19.3
#122
2.8
#244
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
— / M
Output price
— / M
— / M
Context window
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Individual benchmarks

1 reported for GPT-5 Codex · 10 for Nemotron Labs Dory 1.0 (4B)

1 shared

GPT-5 Codex outperforms in 1 benchmarks (SWE-Bench Verified), while Nemotron Labs Dory 1.0 (4B) is better at 0 benchmarks.

GPT-5 Codex significantly outperforms across most benchmarks.

Sat Oct 24 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

License

Usage and distribution terms

GPT-5 Codex is licensed under a proprietary license, while Nemotron Labs Dory 1.0 (4B) uses OpenMDW License v1.1.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-5 Codex

Proprietary

Closed source

Nemotron Labs Dory 1.0 (4B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

GPT-5 Codex was released on 2025-09-15, while Nemotron Labs Dory 1.0 (4B) was released on 2026-10-16.

Nemotron Labs Dory 1.0 (4B) is 13 months newer than GPT-5 Codex.

GPT-5 Codex

Sep 15, 2025

1.1 years ago

Nemotron Labs Dory 1.0 (4B)

Oct 16, 2026

4 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

GPT-5 Codex has a documented knowledge cutoff of 2024-09-30, while Nemotron Labs Dory 1.0 (4B)'s cutoff date is not specified.

We can confirm GPT-5 Codex's training data extends to 2024-09-30, but cannot make a direct comparison without Nemotron Labs Dory 1.0 (4B)'s cutoff date.

GPT-5 Codex

Sep 2024

Nemotron Labs Dory 1.0 (4B)

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Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5 Codex and Nemotron Labs Dory 1.0 (4B) side-by-side, then vote on the output you prefer.

GPT-5 Codex
✓ Preferred
Nemotron Labs Dory 1.0 (4B)
Open in Playground

FAQ

Common questions about GPT-5 Codex vs Nemotron Labs Dory 1.0 (4B).

Which is better, GPT-5 Codex or Nemotron Labs Dory 1.0 (4B)?

GPT-5 Codex leads the LLM Stats Score 26.5 to 21.8. GPT-5 Codex is made by OpenAI and Nemotron Labs Dory 1.0 (4B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5 Codex compare to Nemotron Labs Dory 1.0 (4B) in benchmarks?

GPT-5 Codex scores SWE-Bench Verified: 74.5%. Nemotron Labs Dory 1.0 (4B) scores IFBench: 77.9%, GPQA: 72.4%, AA-LCR: 71.0%, SWE-Bench Verified: 59.5%, SciCode: 34.9%.

What are the main differences between GPT-5 Codex and Nemotron Labs Dory 1.0 (4B)?

Key differences include LLM Stats Score (26.5 vs 21.8), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 Codex and Nemotron Labs Dory 1.0 (4B)?

GPT-5 Codex is developed by OpenAI and Nemotron Labs Dory 1.0 (4B) is developed by NVIDIA.

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