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Claude Opus 5.5 vs DeepSeek VL2

Claude Opus 5.5 leads the LLM Stats Score 59.7 to 2.9.

Anthropic · DeepSeek · Updated for 2026

Which is better?

Claude Opus 5.5 leads the overall LLM Stats Score 59.7 to 2.9, ranking #1 overall.

Claude Opus 5.5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude Opus 5.5

  • overall performance matters — it scores 59.7 and ranks #1 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose DeepSeek VL2

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Opus 5.5
Anthropic
DeepSeek VL2
DeepSeek
Core performance indexes
LLM Stats Score
59.7
#1
2.9
#317
Reasoning
57.8
#1
-1.9
#335
Cost, coverage & limits
Benchmark wins
—
—
Input price
$4.00 / M
— / M
Output price
$20.00 / M
— / M
Context window
1,000,000
129,280

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Opus 5.5
DeepSeek VL2
Vision
42.8#1
2.1#172
Multimodal
42.5#1
5.1#142
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Claude Opus 5.5 · 14 for DeepSeek VL2

No common benchmarks found

Claude Opus 5.5 and DeepSeek VL2don'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

Claude Opus 5.5 accepts 1,000,000 input tokens compared to DeepSeek VL2's 129,280 tokens. DeepSeek VL2 can generate longer responses up to 129,280 tokens, while Claude Opus 5.5 is limited to 128,000 tokens.

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek VL2
Input129,280 tokens
Output129,280 tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 5.5 and DeepSeek VL2 support multimodal inputs.

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

Claude Opus 5.5

Text
Images
Audio
Video

DeepSeek VL2

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5.5 is licensed under a proprietary license, while DeepSeek VL2 uses deepseek.

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

Claude Opus 5.5

Proprietary

Closed source

DeepSeek VL2

deepseek

Open weights

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while DeepSeek VL2 was released on 2024-12-13.

Claude Opus 5.5 is 22 months newer than DeepSeek VL2.

Claude Opus 5.5

Sep 22, 2026

0 days ago

1.8yr newer
DeepSeek VL2

Dec 13, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while DeepSeek VL2's cutoff date is not specified.

We can confirm Claude Opus 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without DeepSeek VL2's cutoff date.

Claude Opus 5.5

Jun 2026

DeepSeek VL2

—

Provider Availability

Claude Opus 5.5 is available from Anthropic. DeepSeek VL2 is available from Replicate.

Claude Opus 5.5

anthropic logo
Anthropic
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M

DeepSeek VL2

replicate logo
Replicate
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Opus 5.5 and DeepSeek VL2 side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
DeepSeek VL2
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs DeepSeek VL2.

Which is better, Claude Opus 5.5 or DeepSeek VL2?

Claude Opus 5.5 leads the LLM Stats Score 59.7 to 2.9. Claude Opus 5.5 is made by Anthropic and DeepSeek VL2 is made by DeepSeek. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Opus 5.5 compare to DeepSeek VL2 in benchmarks?

Claude Opus 5.5 scores BenchCAD (with Python tool): 96.2%, Global-MMLU: 94.3%, SWE-bench Multilingual: 93.9%, MILU: 93.1%, ArXivMath: 91.2%. DeepSeek VL2 scores DocVQA: 93.3%, ChartQA: 86.0%, TextVQA: 84.2%, AI2D: 81.4%, OCRBench: 81.1%.

What are the context window sizes for Claude Opus 5.5 and DeepSeek VL2?

Claude Opus 5.5 supports 1.0M tokens and DeepSeek VL2 supports 129K 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 5.5 and DeepSeek VL2?

Key differences include LLM Stats Score (59.7 vs 2.9), context window (1.0M vs 129K), licensing (Proprietary vs deepseek). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5.5 and DeepSeek VL2?

Claude Opus 5.5 is developed by Anthropic and DeepSeek VL2 is developed by DeepSeek.

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