Model Comparison

DeepSeek-R1-0528 vs Claude 3 OpusWhich is better in 2026?

DeepSeek-R1-0528 significantly outperforms across most benchmarks. DeepSeek-R1-0528 is 32.9x cheaper per token.

Verdict: DeepSeek-R1-0528 vs Claude 3 Opus — which is better?

DeepSeek-R1-0528 (by DeepSeek) and Claude 3 Opus (by Anthropic) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

DeepSeek-R1-0528 outperforms in 2 benchmarks (GPQA, MMLU-Pro), while Claude 3 Opus is better at 0 benchmarks. DeepSeek-R1-0528 significantly outperforms across most benchmarks.

On price, DeepSeek-R1-0528 is roughly 32.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3 Opus also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose DeepSeek-R1-0528 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • cost matters — it's about 32.9x cheaper per token
  • you want the most recent training data — it shipped May 2025
  • you need open weights you can self-host or fine-tune

Choose Claude 3 Opus if…

  • you process long inputs — it offers a 200,000 token context window

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

DeepSeek-R1-0528 outperforms in 2 benchmarks (GPQA, MMLU-Pro), while Claude 3 Opus is better at 0 benchmarks.

DeepSeek-R1-0528 significantly outperforms across most benchmarks.

Sat Jun 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-R1-0528 costs less

For input processing, DeepSeek-R1-0528 ($0.50/1M tokens) is 30.0x cheaper than Claude 3 Opus ($15.00/1M tokens).

For output processing, DeepSeek-R1-0528 ($2.15/1M tokens) is 34.9x cheaper than Claude 3 Opus ($75.00/1M tokens).

In conclusion, Claude 3 Opus is more expensive than DeepSeek-R1-0528.*

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

Lowest available price from all providers
Sat Jun 27 2026 • llm-stats.com
DeepSeek
DeepSeek-R1-0528
Input tokens$0.50
Output tokens$2.15
Best providerDeepinfra
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Claude 3 Opus accepts 200,000 input tokens compared to DeepSeek-R1-0528's 131,072 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while DeepSeek-R1-0528 is limited to 131,072 tokens.

DeepSeek
DeepSeek-R1-0528
Input131,072 tokens
Output131,072 tokens
Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Opus supports multimodal inputs, whereas DeepSeek-R1-0528 does not.

Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-R1-0528

Text
Images
Audio
Video

Claude 3 Opus

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-R1-0528 is licensed under MIT, while Claude 3 Opus uses a proprietary license.

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

DeepSeek-R1-0528

MIT

Open weights

Claude 3 Opus

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-R1-0528 was released on 2025-05-28, while Claude 3 Opus was released on 2024-02-29.

DeepSeek-R1-0528 is 15 months newer than Claude 3 Opus.

DeepSeek-R1-0528

May 28, 2025

1.1 years ago

1.2yr newer
Claude 3 Opus

Feb 29, 2024

2.3 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

DeepSeek-R1-0528 is available from DeepInfra, DeepSeek, Novita. Claude 3 Opus is available from Anthropic, Bedrock, Google.

DeepSeek-R1-0528

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.15/1M
deepseek logo
DeepSeek
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.70/1MOutput Price:Output: $2.50/1M

Claude 3 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Less expensive input tokens
Less expensive output tokens
Has open weights
Higher GPQA score (81.0% vs 50.4%)
Higher MMLU-Pro score (85.0% vs 68.5%)
Larger context window (200,000 tokens)
Supports multimodal inputs

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against DeepSeek-R1-0528 and Claude 3 Opus side-by-side, then vote on the output you prefer.

DeepSeek-R1-0528
✓ Preferred
Claude 3 Opus
Open in Playground
AI Model Comparison Table
Feature
DeepSeek
DeepSeek-R1-0528
Anthropic
Claude 3 Opus

FAQ

Common questions about DeepSeek-R1-0528 vs Claude 3 Opus.

Which is better, DeepSeek-R1-0528 or Claude 3 Opus?

DeepSeek-R1-0528 significantly outperforms across most benchmarks. DeepSeek-R1-0528 is made by DeepSeek and Claude 3 Opus is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DeepSeek-R1-0528 compare to Claude 3 Opus in benchmarks?

DeepSeek-R1-0528 scores MMLU-Redux: 93.4%, SimpleQA: 92.3%, AIME 2024: 91.4%, AIME 2025: 87.5%, MMLU-Pro: 85.0%. Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%.

Is DeepSeek-R1-0528 cheaper than Claude 3 Opus?

DeepSeek-R1-0528 is 30.0x cheaper for input tokens. DeepSeek-R1-0528 costs $0.50/M input and $2.15/M output via deepinfra. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic.

What are the context window sizes for DeepSeek-R1-0528 and Claude 3 Opus?

DeepSeek-R1-0528 supports 131K tokens and Claude 3 Opus supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-R1-0528 and Claude 3 Opus?

Key differences include context window (131K vs 200K), input pricing ($0.50 vs $15.00/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-R1-0528 and Claude 3 Opus?

DeepSeek-R1-0528 is developed by DeepSeek and Claude 3 Opus is developed by Anthropic.