Model Comparison
Claude 3 Opus vs DeepSeek-V3 0324Which is better in 2026?
DeepSeek-V3 0324 significantly outperforms across most benchmarks. DeepSeek-V3 0324 is 60.6x cheaper per token.
Verdict: Claude 3 Opus vs DeepSeek-V3 0324 — which is better?
Claude 3 Opus (by Anthropic) and DeepSeek-V3 0324 (by DeepSeek) 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.
Claude 3 Opus outperforms in 0 benchmarks, while DeepSeek-V3 0324 is better at 2 benchmarks (GPQA, MMLU-Pro). DeepSeek-V3 0324 significantly outperforms across most benchmarks.
On price, DeepSeek-V3 0324 is roughly 60.6x 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 Claude 3 Opus if…
- you process long inputs — it offers a 200,000 token context window
Choose DeepSeek-V3 0324 if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- cost matters — it's about 60.6x cheaper per token
- you want the most recent training data — it shipped Mar 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3 Opus outperforms in 0 benchmarks, while DeepSeek-V3 0324 is better at 2 benchmarks (GPQA, MMLU-Pro).
DeepSeek-V3 0324 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3 Opus ($15.00/1M tokens) is 53.6x more expensive than DeepSeek-V3 0324 ($0.28/1M tokens).
For output processing, Claude 3 Opus ($75.00/1M tokens) is 65.8x more expensive than DeepSeek-V3 0324 ($1.14/1M tokens).
In conclusion, Claude 3 Opus is more expensive than DeepSeek-V3 0324.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude 3 Opus accepts 200,000 input tokens compared to DeepSeek-V3 0324's 163,840 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while DeepSeek-V3 0324 is limited to 163,840 tokens.
Input Capabilities
Supported data types and modalities
Claude 3 Opus supports multimodal inputs, whereas DeepSeek-V3 0324 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
DeepSeek-V3 0324
License
Usage and distribution terms
Claude 3 Opus is licensed under a proprietary license, while DeepSeek-V3 0324 uses MIT + Model License (Commercial use allowed).
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT + Model License (Commercial use allowed)
Open weights
Release Timeline
When each model was launched
Claude 3 Opus was released on 2024-02-29, while DeepSeek-V3 0324 was released on 2025-03-25.
DeepSeek-V3 0324 is 13 months newer than Claude 3 Opus.
Feb 29, 2024
2.3 years ago
Mar 25, 2025
1.2 years ago
1.1yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3 Opus is available from Anthropic, Bedrock, Google. DeepSeek-V3 0324 is available from Novita.
Claude 3 Opus
DeepSeek-V3 0324
Outputs Comparison
Key Takeaways
Claude 3 Opus
View detailsAnthropic
DeepSeek-V3 0324
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about Claude 3 Opus vs DeepSeek-V3 0324.