Model Comparison

Claude 3 Opus vs DeepSeek-V2.5

DeepSeek-V2.5 shows notably better performance in the majority of benchmarks. DeepSeek-V2.5 is 171.4x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude 3 Opus outperforms in 1 benchmarks (MMLU), while DeepSeek-V2.5 is better at 3 benchmarks (GSM8k, HumanEval, MATH).

DeepSeek-V2.5 shows notably better performance in the majority of benchmarks.

Sat Apr 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V2.5 costs less

For input processing, Claude 3 Opus ($15.00/1M tokens) is 107.1x more expensive than DeepSeek-V2.5 ($0.14/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) is 267.9x more expensive than DeepSeek-V2.5 ($0.28/1M tokens).

In conclusion, Claude 3 Opus is more expensive than DeepSeek-V2.5.*

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

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
DeepSeek
DeepSeek-V2.5
Input tokens$0.14
Output tokens$0.28
Best providerDeepSeek
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-V2.5's 8,192 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while DeepSeek-V2.5 is limited to 8,192 tokens.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
DeepSeek
DeepSeek-V2.5
Input8,192 tokens
Output8,192 tokens
Sat Apr 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Opus supports multimodal inputs, whereas DeepSeek-V2.5 does not.

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

Claude 3 Opus

Text
Images
Audio
Video

DeepSeek-V2.5

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Opus is licensed under a proprietary license, while DeepSeek-V2.5 uses deepseek.

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

Claude 3 Opus

Proprietary

Closed source

DeepSeek-V2.5

deepseek

Open weights

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while DeepSeek-V2.5 was released on 2024-05-08.

DeepSeek-V2.5 is 2 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.1 years ago

DeepSeek-V2.5

May 8, 2024

1.9 years ago

2mo newer

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

Claude 3 Opus is available from Anthropic, Bedrock, Google. DeepSeek-V2.5 is available from DeepSeek, DeepInfra, Hyperbolic.

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

DeepSeek-V2.5

deepseek logo
DeepSeek
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.70/1MOutput Price:Output: $1.40/1M
hyperbolic logo
Hyperbolic
Input Price:Input: $2.00/1MOutput Price:Output: $2.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher MMLU score (86.8% vs 80.4%)
DeepSeek
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher GSM8k score (95.1% vs 95.0%)
Higher HumanEval score (89.0% vs 84.9%)
Higher MATH score (74.7% vs 60.1%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Opus
DeepSeek
DeepSeek-V2.5

FAQ

Common questions about Claude 3 Opus vs DeepSeek-V2.5

DeepSeek-V2.5 shows notably better performance in the majority of benchmarks. Claude 3 Opus is made by Anthropic and DeepSeek-V2.5 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. DeepSeek-V2.5 scores GSM8k: 95.1%, MT-Bench: 90.2%, HumanEval: 89.0%, BBH: 84.3%, AlignBench: 80.4%.
DeepSeek-V2.5 is 107.1x cheaper for input tokens. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic. DeepSeek-V2.5 costs $0.14/M input and $0.28/M output via deepseek.
Claude 3 Opus supports 200K tokens and DeepSeek-V2.5 supports 8K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 8K), input pricing ($15.00 vs $0.14/M), multimodal support (yes vs no), licensing (Proprietary vs deepseek). See the full comparison above for benchmark-by-benchmark results.
Claude 3 Opus is developed by Anthropic and DeepSeek-V2.5 is developed by DeepSeek.