The AI arena is free today

Open Superagent

GPT-6 Rosalind vs Seed 2.0 Pro

Comparing GPT-6 Rosalind and Seed 2.0 Pro across benchmarks, pricing, and capabilities.

OpenAI · ByteDance · Updated for 2026

Which is better?

GPT-6 Rosalind and Seed 2.0 Pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Seed 2.0 Pro is roughly 26.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-6 Rosalind

  • you want the most recent training data — it shipped Oct 2026

Choose Seed 2.0 Pro

  • cost matters — it's about 26.7x cheaper per token

At a glance

The differences that matter most.

GPT-6 Rosalind
OpenAI
Seed 2.0 Pro
ByteDance
Benchmark wins
—
—
Input price
$15.00 / M
$0.50 / M
Output price
$75.00 / M
$3.00 / M
Context window
—
256,000

Individual benchmarks

0 reported for GPT-6 Rosalind · 6 for Seed 2.0 Pro

No common benchmarks found

GPT-6 Rosalind and Seed 2.0 Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Seed 2.0 Pro costs less

For input processing, GPT-6 Rosalind ($15.00/1M tokens) is 30.0x more expensive than Seed 2.0 Pro ($0.50/1M tokens).

For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 25.0x more expensive than Seed 2.0 Pro ($3.00/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than Seed 2.0 Pro.*

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

Lowest available price from all providers
Wed Nov 11 2026 • llm-stats.com
OpenAI
GPT-6 Rosalind
Input tokens$15.00
Output tokens$75.00
Best providerOpenAI
ByteDance
Seed 2.0 Pro
Input tokens$0.50
Output tokens$3.00
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Seed 2.0 Pro specifies input context (256,000 tokens). Only Seed 2.0 Pro specifies output context (131,072 tokens).

OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
ByteDance
Seed 2.0 Pro
Input256,000 tokens
Output131,072 tokens
Wed Nov 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Rosalind and Seed 2.0 Pro support multimodal inputs.

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

GPT-6 Rosalind

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.

GPT-6 Rosalind

Proprietary

Closed source

Seed 2.0 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-6 Rosalind was released on 2026-10-30, while Seed 2.0 Pro was released on 2026-02-14.

GPT-6 Rosalind is 9 months newer than Seed 2.0 Pro.

GPT-6 Rosalind

Oct 30, 2026

1 weeks ago

8mo newer
Seed 2.0 Pro

Feb 14, 2026

8 months ago

Knowledge Cutoff

When training data ends

Seed 2.0 Pro has a documented knowledge cutoff of 2024-01-01, while GPT-6 Rosalind'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 GPT-6 Rosalind's cutoff date.

GPT-6 Rosalind

—

Seed 2.0 Pro

Jan 2024

Provider Availability

GPT-6 Rosalind is available from OpenAI. Seed 2.0 Pro is available from DeepInfra.

GPT-6 Rosalind

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

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?

Judge for yourself.

Run your own prompts against GPT-6 Rosalind and Seed 2.0 Pro side-by-side, then vote on the output you prefer.

GPT-6 Rosalind
✓ Preferred
Seed 2.0 Pro
Open in Playground

FAQ

Common questions about GPT-6 Rosalind vs Seed 2.0 Pro.

Which is better, GPT-6 Rosalind or Seed 2.0 Pro?

GPT-6 Rosalind (OpenAI) 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 GPT-6 Rosalind compare to Seed 2.0 Pro in benchmarks?

Seed 2.0 Pro scores AIME 2025: 98.3%, AIME 2026: 94.2%, GPQA: 88.9%, LiveCodeBench v6: 87.8%, BrowseComp: 77.3%.

Is GPT-6 Rosalind cheaper than Seed 2.0 Pro?

Seed 2.0 Pro is 30.0x cheaper for input tokens. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai. Seed 2.0 Pro costs $0.50/M input and $3.00/M output via deepinfra.

What are the context window sizes for GPT-6 Rosalind and Seed 2.0 Pro?

GPT-6 Rosalind supports an unknown number of 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 GPT-6 Rosalind and Seed 2.0 Pro?

Key differences include input pricing ($15.00 vs $0.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Rosalind and Seed 2.0 Pro?

GPT-6 Rosalind is developed by OpenAI and Seed 2.0 Pro is developed by ByteDance.

Related comparisons