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Qwen3.8-Flash-Next vs Seed 2.0 Lite

Qwen3.8-Flash-Next significantly outperforms across most benchmarks.

Alibaba Cloud / Qwen Team · ByteDance · Updated for 2026

Which is better?

Qwen3.8-Flash-Next outperforms in 2 benchmarks (GPQA, LiveCodeBench v6), while Seed 2.0 Lite is better at 0 benchmarks. Qwen3.8-Flash-Next significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Qwen3.8-Flash-Next

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

Choose Seed 2.0 Lite

  • you are already invested in the ByteDance ecosystem

At a glance

The differences that matter most.

Benchmark wins
2 of 2
0 of 2
Input price
— / M
— / M
Output price
— / M
— / M
Context window
Released
Aug 2026
Feb 2026
License
Qwen Community License 1.0
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Qwen3.8-Flash-Next outperforms in 2 benchmarks (GPQA, LiveCodeBench v6), while Seed 2.0 Lite is better at 0 benchmarks.

Qwen3.8-Flash-Next significantly outperforms across most benchmarks.

Thu Aug 27 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Input Capabilities

Supported data types and modalities

Both Qwen3.8-Flash-Next and Seed 2.0 Lite support multimodal inputs.

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

Qwen3.8-Flash-Next

Text
Images
Audio
Video

Seed 2.0 Lite

Text
Images
Audio
Video

License

Usage and distribution terms

Qwen3.8-Flash-Next is licensed under Qwen Community License 1.0, while Seed 2.0 Lite uses a proprietary license.

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

Qwen3.8-Flash-Next

Qwen Community License 1.0

Open weights

Seed 2.0 Lite

Proprietary

Closed source

Release Timeline

When each model was launched

Qwen3.8-Flash-Next was released on 2026-08-26, while Seed 2.0 Lite was released on 2026-02-14.

Qwen3.8-Flash-Next is 6 months newer than Seed 2.0 Lite.

Qwen3.8-Flash-Next

Aug 26, 2026

0 days ago

6mo newer
Seed 2.0 Lite

Feb 14, 2026

6 months ago

Knowledge Cutoff

When training data ends

Seed 2.0 Lite has a documented knowledge cutoff of 2024-01-01, while Qwen3.8-Flash-Next's cutoff date is not specified.

We can confirm Seed 2.0 Lite's training data extends to 2024-01-01, but cannot make a direct comparison without Qwen3.8-Flash-Next's cutoff date.

Qwen3.8-Flash-Next

Seed 2.0 Lite

Jan 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Qwen3.8-Flash-Next and Seed 2.0 Lite side-by-side, then vote on the output you prefer.

Qwen3.8-Flash-Next
✓ Preferred
Seed 2.0 Lite
Open in Playground

FAQ

Common questions about Qwen3.8-Flash-Next vs Seed 2.0 Lite.

Which is better, Qwen3.8-Flash-Next or Seed 2.0 Lite?

Qwen3.8-Flash-Next significantly outperforms across most benchmarks. Qwen3.8-Flash-Next is made by Alibaba Cloud / Qwen Team and Seed 2.0 Lite is made by ByteDance. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Qwen3.8-Flash-Next compare to Seed 2.0 Lite in benchmarks?

Qwen3.8-Flash-Next scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%. Seed 2.0 Lite scores AIME 2025: 93.0%, AIME 2026: 88.3%, GPQA: 85.1%, LiveCodeBench v6: 81.7%, SWE-Bench Verified: 73.5%.

What are the main differences between Qwen3.8-Flash-Next and Seed 2.0 Lite?

Key differences include licensing (Qwen Community License 1.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Qwen3.8-Flash-Next and Seed 2.0 Lite?

Qwen3.8-Flash-Next is developed by Alibaba Cloud / Qwen Team and Seed 2.0 Lite is developed by ByteDance.