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Claude Opus 4 vs Nemotron 3.5 Bolt (74B A9B 24GB)

Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched at 27.4 and 29.6 on the LLM Stats Score.

Anthropic · NVIDIA · Updated for 2026

Which is better?

Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the overall LLM Stats Score at 27.4 and 29.6.

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 Claude Opus 4

  • you want predictable pricing at $15.00/M input and $75.00/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.

Core performance indexes
27.4
#164
29.6
#146
27.4
#157
28.9
#146
17.3
#141
14.4
#154
8.0
#156
11.9
#127
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$15.00 / M
— / M
Output price
$75.00 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Opus 4
Nemotron 3.5 Bolt (74B A9B 24GB)
20.3#170
23.4#140
19.1#78
5.4#169
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Opus 4 · 10 for Nemotron 3.5 Bolt (74B A9B 24GB)

1 shared

Claude Opus 4 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.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Opus 4 specifies input context (200,000 tokens). Only Claude Opus 4 specifies output context (32,000 tokens).

Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 4 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.

Claude Opus 4

Text
Images
Audio
Video

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4 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.

Claude Opus 4

Proprietary

Closed source

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15.

Nemotron 3.5 Bolt (74B A9B 24GB) is 17 months newer than Claude Opus 4.

Claude Opus 4

May 22, 2025

1.4 years ago

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

5 days ago

1.4yr newer

Knowledge Cutoff

When training data ends

Nemotron 3.5 Bolt (74B A9B 24GB) has a documented knowledge cutoff of 2026-05-01, while Claude Opus 4'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 Claude Opus 4's cutoff date.

Claude Opus 4

—

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB) side-by-side, then vote on the output you prefer.

Claude Opus 4
✓ Preferred
Nemotron 3.5 Bolt (74B A9B 24GB)
Open in Playground

FAQ

Common questions about Claude Opus 4 vs Nemotron 3.5 Bolt (74B A9B 24GB).

Which is better, Claude Opus 4 or Nemotron 3.5 Bolt (74B A9B 24GB)?

Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB) are closely matched on the LLM Stats Score at 27.4 and 29.6. Claude Opus 4 is made by Anthropic 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 Claude Opus 4 compare to Nemotron 3.5 Bolt (74B A9B 24GB) in benchmarks?

Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%. 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 Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Claude Opus 4 supports 200K 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 Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Key differences include LLM Stats Score (27.4 vs 29.6), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4 and Nemotron 3.5 Bolt (74B A9B 24GB)?

Claude Opus 4 is developed by Anthropic and Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA.