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Claude Opus 5.5 vs DeepSeek R1 Distill Llama 70B

Claude Opus 5.5 leads the LLM Stats Score 59.7 to 14.5. DeepSeek R1 Distill Llama 70B is 45.7x cheaper per token.

Anthropic · DeepSeek · Updated for 2026

Which is better?

Claude Opus 5.5 leads the overall LLM Stats Score 59.7 to 14.5, ranking #1 overall.

On price, DeepSeek R1 Distill Llama 70B is roughly 45.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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 and coding — 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 R1 Distill Llama 70B

  • cost matters — it's about 45.7x cheaper per token
  • 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 R1 Distill Llama 70B
DeepSeek
Core performance indexes
LLM Stats Score
59.7
#1
14.5
#241
Reasoning
57.8
#1
14.7
#234
Coding
51.7
#1
8.6
#185
Cost, coverage & limits
Benchmark wins
—
—
Input price
$4.00 / M
$0.10 / M
Output price
$20.00 / M
$0.40 / M
Context window
1,000,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Opus 5.5
DeepSeek R1 Distill Llama 70B
Math
42.5#5
16.5#204
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Claude Opus 5.5 · 4 for DeepSeek R1 Distill Llama 70B

No common benchmarks found

Claude Opus 5.5 and DeepSeek R1 Distill Llama 70Bdon'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

Pricing Analysis

Price comparison per million tokens

DeepSeek R1 Distill Llama 70B costs less

For input processing, Claude Opus 5.5 ($4.00/1M tokens) is 40.0x more expensive than DeepSeek R1 Distill Llama 70B ($0.10/1M tokens).

For output processing, Claude Opus 5.5 ($20.00/1M tokens) is 50.0x more expensive than DeepSeek R1 Distill Llama 70B ($0.40/1M tokens).

In conclusion, Claude Opus 5.5 is more expensive than DeepSeek R1 Distill Llama 70B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
Anthropic
Claude Opus 5.5
Input tokens$4.00
Output tokens$20.00
Best providerAnthropic
DeepSeek
DeepSeek R1 Distill Llama 70B
Input tokens$0.10
Output tokens$0.40
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 5.5 accepts 1,000,000 input tokens compared to DeepSeek R1 Distill Llama 70B's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek R1 Distill Llama 70B
Input128,000 tokens
Output128,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5.5 supports multimodal inputs, whereas DeepSeek R1 Distill Llama 70B does not.

Claude Opus 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5.5

Text
Images
Audio
Video

DeepSeek R1 Distill Llama 70B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5.5 is licensed under a proprietary license, while DeepSeek R1 Distill Llama 70B uses MIT.

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

Claude Opus 5.5

Proprietary

Closed source

DeepSeek R1 Distill Llama 70B

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while DeepSeek R1 Distill Llama 70B was released on 2025-01-20.

Claude Opus 5.5 is 20 months newer than DeepSeek R1 Distill Llama 70B.

Claude Opus 5.5

Sep 22, 2026

0 days ago

1.7yr newer
DeepSeek R1 Distill Llama 70B

Jan 20, 2025

1.7 years ago

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while DeepSeek R1 Distill Llama 70B'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 R1 Distill Llama 70B's cutoff date.

Claude Opus 5.5

Jun 2026

DeepSeek R1 Distill Llama 70B

—

Provider Availability

Claude Opus 5.5 is available from Anthropic. DeepSeek R1 Distill Llama 70B is available from DeepInfra.

Claude Opus 5.5

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

DeepSeek R1 Distill Llama 70B

deepinfra logo
Deepinfra
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* 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 R1 Distill Llama 70B side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
DeepSeek R1 Distill Llama 70B
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs DeepSeek R1 Distill Llama 70B.

Which is better, Claude Opus 5.5 or DeepSeek R1 Distill Llama 70B?

Claude Opus 5.5 leads the LLM Stats Score 59.7 to 14.5. Claude Opus 5.5 is made by Anthropic and DeepSeek R1 Distill Llama 70B 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 R1 Distill Llama 70B 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 R1 Distill Llama 70B scores MATH-500: 94.5%, AIME 2024: 86.7%, GPQA: 65.2%, LiveCodeBench: 57.5%.

Is Claude Opus 5.5 cheaper than DeepSeek R1 Distill Llama 70B?

DeepSeek R1 Distill Llama 70B is 40.0x cheaper for input tokens. Claude Opus 5.5 costs $4.00/M input and $20.00/M output via anthropic. DeepSeek R1 Distill Llama 70B costs $0.10/M input and $0.40/M output via deepinfra.

What are the context window sizes for Claude Opus 5.5 and DeepSeek R1 Distill Llama 70B?

Claude Opus 5.5 supports 1.0M tokens and DeepSeek R1 Distill Llama 70B supports 128K 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 R1 Distill Llama 70B?

Key differences include LLM Stats Score (59.7 vs 14.5), context window (1.0M vs 128K), input pricing ($4.00 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5.5 and DeepSeek R1 Distill Llama 70B?

Claude Opus 5.5 is developed by Anthropic and DeepSeek R1 Distill Llama 70B is developed by DeepSeek.

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