GPT-5 nano vs Seed 2.0 Pro Comparison
Comparing GPT-5 nano and Seed 2.0 Pro across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5 nano outperforms in 0 benchmarks, while Seed 2.0 Pro is better at 2 benchmarks (AIME 2025, GPQA).
Seed 2.0 Pro significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
Cost data unavailable.
Context Window
Maximum input and output token capacity
Only GPT-5 nano specifies input context (400,000 tokens). Only GPT-5 nano specifies output context (128,000 tokens).
Input Capabilities
Supported data types and modalities
Both GPT-5 nano and Seed 2.0 Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5 nano
Seed 2.0 Pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-5 nano was released on 2025-08-07, while Seed 2.0 Pro was released on 2026-02-14.
Seed 2.0 Pro is 6 months newer than GPT-5 nano.
Aug 7, 2025
7 months ago
Feb 14, 2026
4 weeks ago
6mo newerKnowledge Cutoff
When training data ends
GPT-5 nano has a knowledge cutoff of 2024-05-30, while Seed 2.0 Pro has a cutoff of 2024-01-01.
GPT-5 nano has more recent training data (up to 2024-05-30), making it potentially better informed about events through that date compared to Seed 2.0 Pro (2024-01-01).
May 2024
4 mo newerJan 2024
Outputs Comparison
Key Takeaways
GPT-5 nano
View detailsOpenAI
Seed 2.0 Pro
View detailsByteDance
Detailed Comparison
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