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GPT-5.3 Chat vs Nemotron 3.5 Bolt (74B A9B 24GB)

GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched at 29.0 and 29.6 on the LLM Stats Score.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the overall LLM Stats Score at 29.0 and 29.6.

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

Choose GPT-5.3 Chat

  • you want predictable pricing at $1.75/M input and $14.00/M output

Choose Nemotron 3.5 Bolt (74B A9B 24GB)

  • 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-5.3 Chat
OpenAI
Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Core performance indexes
LLM Stats Score
29.0
#154
29.6
#146
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.75 / M
— / M
Output price
$14.00 / M
— / M
Context window
128,000
—

Individual benchmarks

2 reported for GPT-5.3 Chat · 10 for Nemotron 3.5 Bolt (74B A9B 24GB)

No common benchmarks found

GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5.3 Chat specifies input context (128,000 tokens). Only GPT-5.3 Chat specifies output context (16,384 tokens).

OpenAI
GPT-5.3 Chat
Input128,000 tokens
Output16,384 tokens
NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB) support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-5.3 Chat

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.3 Chat is licensed under a proprietary license, while Nemotron 3.5 Bolt (74B A9B 24GB) uses OpenMDW License v1.1.

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

GPT-5.3 Chat

Proprietary

Closed source

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

GPT-5.3 Chat was released on 2026-03-04, while Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 8 months newer than GPT-5.3 Chat.

GPT-5.3 Chat

Mar 4, 2026

7 months ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

1 weeks ago

7mo newer

Knowledge Cutoff

When training data ends

GPT-5.3 Chat has a knowledge cutoff of 2025-08-31, while Nemotron 3.5 Bolt (74B A9B 24GB) has a cutoff of 2026-05-01.

Nemotron 3.5 Bolt (74B A9B 24GB) has more recent training data (up to 2026-05-01), making it potentially better informed about events through that date compared to GPT-5.3 Chat (2025-08-31).

GPT-5.3 Chat

Aug 2025

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

9 mo newer

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

GPT-5.3 Chat
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about GPT-5.3 Chat vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, GPT-5.3 Chat or Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the LLM Stats Score at 29.0 and 29.6. GPT-5.3 Chat is made by OpenAI and Nemotron 3.5 Bolt (74B A9B 24GB) 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-5.3 Chat compare to Nemotron 3.5 Bolt (74B A9B 24GB) in benchmarks?

GPT-5.3 Chat scores HealthBench: 54.1%, HealthBench Hard: 25.9%. Nemotron 3.5 Bolt (74B A9B 24GB) scores PinchBench: 87.8%, GPQA: 86.4%, BrowseComp: 66.8%, AA-LCR: 64.1%, MCP Atlas: 52.2%.

What are the context window sizes for GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.3 Chat supports 128K tokens and Nemotron 3.5 Bolt (74B A9B 24GB) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (29.0 vs 29.6), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.3 Chat and Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.3 Chat is developed by OpenAI and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.

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