Model Comparison

Claude 3 Opus vs Claude Opus 4

Claude Opus 4 significantly outperforms across most benchmarks. Claude 3 Opus and Claude Opus 4 cost the same.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3 Opus outperforms in 0 benchmarks, while Claude Opus 4 is better at 1 benchmark (GPQA).

Claude Opus 4 significantly outperforms across most benchmarks.

Sun May 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

For input processing, Claude 3 Opus ($15.00/1M tokens) costs the same as Claude Opus 4 ($15.00/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) costs the same as Claude Opus 4 ($75.00/1M tokens).

In conclusion, Claude 3 Opus and Claude Opus 4 cost the same.*

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

Lowest available price from all providers
Sun May 17 2026 • llm-stats.com
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Anthropic
Claude Opus 4
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

Both models have the same input context window of 200,000 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while Claude Opus 4 is limited to 32,000 tokens.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
Sun May 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Opus and Claude Opus 4 support multimodal inputs.

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

Claude 3 Opus

Text
Images
Audio
Video

Claude Opus 4

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3 Opus

Proprietary

Closed source

Claude Opus 4

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Claude Opus 4 was released on 2025-05-22.

Claude Opus 4 is 15 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.2 years ago

Claude Opus 4

May 22, 2025

12 months ago

1.2yr 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. Claude Opus 4 is available from Anthropic, Bedrock, Google.

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

Claude Opus 4

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

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Key Takeaways

Anthropic

No standout differentiators in the data we have for this pair.

Anthropic
Higher GPQA score (79.6% vs 50.4%)
AnthropicClaude 3 Opus
AnthropicClaude Opus 4
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Opus
Anthropic
Claude Opus 4

FAQ

Common questions about Claude 3 Opus vs Claude Opus 4.

Which is better, Claude 3 Opus or Claude Opus 4?

Claude Opus 4 significantly outperforms across most benchmarks. Claude 3 Opus is made by Anthropic and Claude Opus 4 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3 Opus compare to Claude Opus 4 in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%.

Is Claude 3 Opus cheaper than Claude Opus 4?

Both models cost $15.00 per million input tokens.

What are the context window sizes for Claude 3 Opus and Claude Opus 4?

Claude 3 Opus supports 200K tokens and Claude Opus 4 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.