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GPT-5.1 Instant vs Nemotron 3.5 Bolt (74B A9B 24GB)

GPT-5.1 Instant leads the LLM Stats Score 36.6 to 29.9.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-5.1 Instant leads the overall LLM Stats Score 36.6 to 29.9, ranking #94 overall.

In the 1 individual benchmarks reported for both models, GPT-5.1 Instant 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-5.1 Instant

  • overall performance matters — it scores 36.6 and ranks #94 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

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-5.1 Instant
OpenAI
Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Core performance indexes
LLM Stats Score
36.6
#94
29.9
#142
Reasoning
36.3
#92
29.2
#143
Coding
21.5
#104
14.8
#151
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
400,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GPT-5.1 Instant
Nemotron 3.5 Bolt (74B A9B 24GB)
Math
29.9#85
23.6#135
Tool use
17.1#88
5.6#168
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for GPT-5.1 Instant · 10 for Nemotron 3.5 Bolt (74B A9B 24GB)

1 shared

GPT-5.1 Instant outperforms in 1 benchmarks (GPQA), while Nemotron 3.5 Bolt (74B A9B 24GB) is better at 0 benchmarks.

GPT-5.1 Instant significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5.1 Instant specifies input context (400,000 tokens). Only GPT-5.1 Instant specifies output context (128,000 tokens).

OpenAI
GPT-5.1 Instant
Input400,000 tokens
Output128,000 tokens
NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-5.1 Instant 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-5.1 Instant

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.1 Instant 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-5.1 Instant

Proprietary

Closed source

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

GPT-5.1 Instant was released on 2025-11-12, while Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 11 months newer than GPT-5.1 Instant.

GPT-5.1 Instant

Nov 12, 2025

11 months ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

4 days ago

11mo newer

Knowledge Cutoff

When training data ends

Nemotron 3.5 Bolt (74B A9B 24GB) has a documented knowledge cutoff of 2026-05-01, while GPT-5.1 Instant's cutoff date is not specified.

We can confirm Nemotron 3.5 Bolt (74B A9B 24GB)'s training data extends to 2026-05-01, but cannot make a direct comparison without GPT-5.1 Instant's cutoff date.

GPT-5.1 Instant

—

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5.1 Instant and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

GPT-5.1 Instant
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about GPT-5.1 Instant vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, GPT-5.1 Instant or Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.1 Instant leads the LLM Stats Score 36.6 to 29.9. GPT-5.1 Instant 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-5.1 Instant compare to Nemotron 3.5 Bolt (74B A9B 24GB) in benchmarks?

GPT-5.1 Instant scores Tau2 Telecom: 95.6%, AIME 2025: 94.0%, BrowseComp Long Context 128k: 90.0%, GPQA: 88.1%, MMMU: 85.4%. 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-5.1 Instant and Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.1 Instant supports 400K 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-5.1 Instant and Nemotron 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (36.6 vs 29.9), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.1 Instant and Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.1 Instant is developed by OpenAI and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.

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