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GPT-5.5 Instant vs Nemotron 3.5 Bolt (74B A9B 24GB)

GPT-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched at 32.0 and 29.9 on the LLM Stats Score.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the overall LLM Stats Score at 32.0 and 29.9.

In the 1 individual benchmarks reported for both models, Nemotron 3.5 Bolt (74B A9B 24GB) 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-5.5 Instant

  • you want predictable pricing at $5.00/M input and $30.00/M output

Choose Nemotron 3.5 Bolt (74B A9B 24GB)

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • 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-5.5 Instant
OpenAI
Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Core performance indexes
LLM Stats Score
32.0
#126
29.9
#142
Reasoning
30.9
#133
29.2
#143
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$5.00 / M
— / M
Output price
$30.00 / M
— / M
Context window
400,000
—

Individual benchmarks

9 reported for GPT-5.5 Instant · 10 for Nemotron 3.5 Bolt (74B A9B 24GB)

1 shared

GPT-5.5 Instant outperforms in 0 benchmarks, while Nemotron 3.5 Bolt (74B A9B 24GB) is better at 1 benchmark (GPQA).

Nemotron 3.5 Bolt (74B A9B 24GB) 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-5.5 Instant specifies input context (400,000 tokens). Only GPT-5.5 Instant specifies output context (128,000 tokens).

OpenAI
GPT-5.5 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-5.5 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-5.5 Instant

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.5 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-5.5 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-5.5 Instant was released on 2026-05-05, while Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 5 months newer than GPT-5.5 Instant.

GPT-5.5 Instant

May 5, 2026

5 months ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

4 days ago

5mo newer

Knowledge Cutoff

When training data ends

GPT-5.5 Instant 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-5.5 Instant (2025-08-31).

GPT-5.5 Instant

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-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

GPT-5.5 Instant
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about GPT-5.5 Instant vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, GPT-5.5 Instant or Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the LLM Stats Score at 32.0 and 29.9. GPT-5.5 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-5.5 Instant compare to Nemotron 3.5 Bolt (74B A9B 24GB) in benchmarks?

GPT-5.5 Instant scores HealthBench Consensus: 94.7%, OmniDocBench 1.5: 87.5%, GPQA: 85.6%, CharXiv-R: 81.6%, AIME 2025: 81.2%. 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-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.5 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-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (32.0 vs 29.9), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.5 Instant and Nemotron 3.5 Bolt (74B A9B 24GB)?

GPT-5.5 Instant is developed by OpenAI and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.

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