Model Comparison

Claude Sonnet 4.6 vs Seed 2.0 Pro

Claude Sonnet 4.6 shows notably better performance in the majority of benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Claude Sonnet 4.6 outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while Seed 2.0 Pro is better at 1 benchmark (BrowseComp).

Claude Sonnet 4.6 shows notably better performance in the majority of benchmarks.

Fri Apr 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Fri Apr 17 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
ByteDance
Seed 2.0 Pro
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Context Window

Maximum input and output token capacity

Only Claude Sonnet 4.6 specifies input context (200,000 tokens). Only Claude Sonnet 4.6 specifies output context (64,000 tokens).

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
ByteDance
Seed 2.0 Pro
Input- tokens
Output- tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and Seed 2.0 Pro support multimodal inputs.

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

Claude Sonnet 4.6

Text
Images
Audio
Video

Seed 2.0 Pro

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 Sonnet 4.6

Proprietary

Closed source

Seed 2.0 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while Seed 2.0 Pro was released on 2026-02-14.

Claude Sonnet 4.6 is 0 month newer than Seed 2.0 Pro.

Claude Sonnet 4.6

Feb 17, 2026

1 months ago

3d newer
Seed 2.0 Pro

Feb 14, 2026

2 months ago

Knowledge Cutoff

When training data ends

Seed 2.0 Pro has a documented knowledge cutoff of 2024-01-01, while Claude Sonnet 4.6's cutoff date is not specified.

We can confirm Seed 2.0 Pro's training data extends to 2024-01-01, but cannot make a direct comparison without Claude Sonnet 4.6's cutoff date.

Claude Sonnet 4.6

—

Seed 2.0 Pro

Jan 2024

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (89.9% vs 88.9%)
Higher SWE-Bench Verified score (79.6% vs 76.5%)
ByteDance
Higher BrowseComp score (77.3% vs 74.7%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.6
ByteDance
Seed 2.0 Pro

FAQ

Common questions about Claude Sonnet 4.6 vs Seed 2.0 Pro

Claude Sonnet 4.6 shows notably better performance in the majority of benchmarks. Claude Sonnet 4.6 is made by Anthropic and Seed 2.0 Pro is made by ByteDance. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%. Seed 2.0 Pro scores AIME 2025: 98.3%, AIME 2026: 94.2%, GPQA: 88.9%, LiveCodeBench v6: 87.8%, BrowseComp: 77.3%.
Claude Sonnet 4.6 supports 200K tokens and Seed 2.0 Pro supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Claude Sonnet 4.6 is developed by Anthropic and Seed 2.0 Pro is developed by ByteDance.