Model Comparison

Gemini 3.5 Flash-Lite vs Seed 2.0 ProWhich is better in 2026?

Comparing Gemini 3.5 Flash-Lite and Seed 2.0 Pro across benchmarks, pricing, and capabilities.

Verdict: Gemini 3.5 Flash-Lite vs Seed 2.0 Pro — which is better?

Gemini 3.5 Flash-Lite (by Google) and Seed 2.0 Pro (by ByteDance) 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.

On price, Gemini 3.5 Flash-Lite is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.5 Flash-Lite also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 3.5 Flash-Lite if…

  • cost matters — it's about 1.3x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose Seed 2.0 Pro if…

  • you want predictable pricing at $0.50/M input and $3.00/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3.5 Flash-Lite and Seed 2.0 Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3.5 Flash-Lite costs less

For input processing, Gemini 3.5 Flash-Lite ($0.30/1M tokens) is 1.7x cheaper than Seed 2.0 Pro ($0.50/1M tokens).

For output processing, Gemini 3.5 Flash-Lite ($2.50/1M tokens) is 1.2x cheaper than Seed 2.0 Pro ($3.00/1M tokens).

In conclusion, Seed 2.0 Pro is more expensive than Gemini 3.5 Flash-Lite.*

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

Lowest available price from all providers
Tue Jul 21 2026 • llm-stats.com
Google
Gemini 3.5 Flash-Lite
Input tokens$0.30
Output tokens$2.50
Best providerGoogle
ByteDance
Seed 2.0 Pro
Input tokens$0.50
Output tokens$3.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.5 Flash-Lite accepts 1,048,576 input tokens compared to Seed 2.0 Pro's 256,000 tokens. Both models can generate responses up to 65,536 tokens.

Google
Gemini 3.5 Flash-Lite
Input1,048,576 tokens
Output65,536 tokens
ByteDance
Seed 2.0 Pro
Input256,000 tokens
Output65,536 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3.5 Flash-Lite and Seed 2.0 Pro support multimodal inputs.

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

Gemini 3.5 Flash-Lite

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.

Gemini 3.5 Flash-Lite

Proprietary

Closed source

Seed 2.0 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.5 Flash-Lite was released on 2026-07-21, while Seed 2.0 Pro was released on 2026-02-14.

Gemini 3.5 Flash-Lite is 5 months newer than Seed 2.0 Pro.

Gemini 3.5 Flash-Lite

Jul 21, 2026

0 days ago

5mo newer
Seed 2.0 Pro

Feb 14, 2026

5 months ago

Knowledge Cutoff

When training data ends

Gemini 3.5 Flash-Lite has a knowledge cutoff of 2026-03-31, while Seed 2.0 Pro has a cutoff of 2024-01-01.

Gemini 3.5 Flash-Lite has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to Seed 2.0 Pro (2024-01-01).

Gemini 3.5 Flash-Lite

Mar 2026

2.2 yr newer
Seed 2.0 Pro

Jan 2024

Provider Availability

Gemini 3.5 Flash-Lite is available from Google. Seed 2.0 Pro is available from DeepInfra.

Gemini 3.5 Flash-Lite

google logo
Google
Input Price:Input: $0.30/1MOutput Price:Output: $2.50/1M

Seed 2.0 Pro

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
ByteDance

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

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash-Lite and Seed 2.0 Pro side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash-Lite
✓ Preferred
Seed 2.0 Pro
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3.5 Flash-Lite
ByteDance
Seed 2.0 Pro

FAQ

Common questions about Gemini 3.5 Flash-Lite vs Seed 2.0 Pro.

Which is better, Gemini 3.5 Flash-Lite or Seed 2.0 Pro?

Gemini 3.5 Flash-Lite (Google) and Seed 2.0 Pro (ByteDance) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 3.5 Flash-Lite compare to Seed 2.0 Pro in benchmarks?

Gemini 3.5 Flash-Lite scores CharXiv-R: 76.5%, OSWorld-Verified: 74.0%, SWE-Bench Pro: 54.2%, Terminal-Bench 2.1: 54.0%, MLE-Bench: 39.2%. Seed 2.0 Pro scores AIME 2025: 98.3%, AIME 2026: 94.2%, GPQA: 88.9%, LiveCodeBench v6: 87.8%, BrowseComp: 77.3%.

Is Gemini 3.5 Flash-Lite cheaper than Seed 2.0 Pro?

Gemini 3.5 Flash-Lite is 1.7x cheaper for input tokens. Gemini 3.5 Flash-Lite costs $0.30/M input and $2.50/M output via google. Seed 2.0 Pro costs $0.50/M input and $3.00/M output via deepinfra.

What are the context window sizes for Gemini 3.5 Flash-Lite and Seed 2.0 Pro?

Gemini 3.5 Flash-Lite supports 1.0M tokens and Seed 2.0 Pro supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.5 Flash-Lite and Seed 2.0 Pro?

Key differences include context window (1.0M vs 256K), input pricing ($0.30 vs $0.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.5 Flash-Lite and Seed 2.0 Pro?

Gemini 3.5 Flash-Lite is developed by Google and Seed 2.0 Pro is developed by ByteDance.

Related comparisons