# Seed 2.0 Pro vs GPT-6 Sol

> GPT-6 Sol is the stronger model overall, scoring 61.8 to 43.2 on the Noometry Index. Seed 2.0 Pro costs 3.6× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/dola-seed-2-0-pro-vs-gpt-6-sol
- Last updated: 2026-10-12
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Seed 2.0 Pro scores higher in 3 categories and GPT-6 Sol in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-6 Sol leads 74.0 to 24.1.
- The biggest single-benchmark swing is NYT Connections (extended): 28.4% for Seed 2.0 Pro and 90.1% for GPT-6 Sol.
- Seed 2.0 Pro is cheaper at $0.50 / $3 per million input/output tokens, against $2 / $10 for GPT-6 Sol.
- GPT-6 Sol accepts more context: 1.05M tokens versus 256K.

## Snapshot

| | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| Provider | ByteDance Seed | OpenAI |
| Noometry Index | 43.2 | 61.8 |
| Rank | 96 | 12 |
| Context | 256K | 1.05M |
| Input $/M | $0.50 | $2 |
| Output $/M | $3 | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Seed 2.0 Pro: 43.5 (#86)
- GPT-6 Sol: 60.1 (#11)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Coding | 1472 | 1447 |
| DeepSWE | — | 68.8% |
| FrontierCode | — | 49.3% |
| LMArena WebDev | — | 1688 |
| SciCode | — | 57.6% |
| ALE-Bench | — | 2,462 |

## Agentic & Tool Use

- Seed 2.0 Pro: —
- GPT-6 Sol: 37.2 (#36)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| APEX-Agents | — | 54.3% |
| GDP.pdf | — | 26.4% |
| Vending-Bench 2 | — | 14,428 |

## Reasoning

- Seed 2.0 Pro: 24.1 (#165)
- GPT-6 Sol: 74.0 (#9)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| NYT Connections (extended) | 28.4% | 90.1% |
| LMArena Hard Prompts | 1453 | 1418 |
| ARC-AGI-2 | — | 89.6% |
| ARC-AGI-1 | — | 95.5% |
| CritPt | — | 30.9% |
| Thematic Generalization | 57.1% | — |
| EBR-Bench | — | 53.3% |
| Mystery Game Puzzles | — | 56% |
| DTBench | — | 97.3% |
| LMCA | — | 59.1% |
| Epoch Capabilities Index | — | 162.72 |

## Math

- Seed 2.0 Pro: 39.3 (#108)
- GPT-6 Sol: 87.2 (#7)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Math | 1439 | 1402 |
| FrontierMath (Tiers 1-3) | — | 89.8% |
| FrontierMath Tier 4 | — | 90% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 83% |

## Knowledge

- Seed 2.0 Pro: 40.2 (#122)
- GPT-6 Sol: 64.8 (#15)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Expert | 1440 | 1439 |
| GPQA Diamond | — | 94.3% |
| SimpleQA Verified | — | 60.7% |
| Vectara Hallucination Rate | — | 6.5% |

## Multimodal

- Seed 2.0 Pro: 41.5 (#35)
- GPT-6 Sol: 47.6 (#10)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Vision | 1274 | 1245 |
| Blueprint-Bench 2 | — | 36.9% |
| Furniture Assembly | — | 58.3% |

## Multilingual

- Seed 2.0 Pro: 54.5 (#39)
- GPT-6 Sol: 50.5 (#118)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Non-English | 1441 | 1385 |
| LMArena Chinese | 1489 | 1405 |
| LMArena French | 1471 | 1410 |
| LMArena German | 1442 | 1390 |
| LMArena Japanese | 1408 | 1385 |
| LMArena Korean | 1411 | 1341 |
| LMArena Russian | 1449 | 1401 |
| LMArena Spanish | 1460 | 1384 |

## Instruction Following

- Seed 2.0 Pro: 74.5 (#91)
- GPT-6 Sol: 74.5 (#94)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Instruction Following | 1414 | 1412 |

## Long Context

- Seed 2.0 Pro: 43.6 (#90)
- GPT-6 Sol: 43.1 (#108)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Longer Query | 1428 | 1411 |

## Writing & Preference

- Seed 2.0 Pro: 62.9 (#69)
- GPT-6 Sol: 71.9 (#18)

| Benchmark | Seed 2.0 Pro | GPT-6 Sol |
|---|---|---|
| LMArena Text | 1448 | 1395 |
| LMArena Creative Writing | 1406 | 1378 |
| LMArena Multi-Turn | 1441 | 1412 |
| EQ-Bench Creative Writing | — | 2125 |

## FAQ

### Is Seed 2.0 Pro better than GPT-6 Sol?

GPT-6 Sol is the stronger model overall, scoring 61.8 to 43.2 on the Noometry Index. Seed 2.0 Pro costs 3.6× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

### Which is cheaper, Seed 2.0 Pro or GPT-6 Sol?

Seed 2.0 Pro is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; GPT-6 Sol lists at $2 and $10.

### Is Seed 2.0 Pro or GPT-6 Sol better for coding?

GPT-6 Sol scores higher on coding benchmarks: 60.1 versus 43.5 in the Noometry coding category.

### Which has the bigger context window?

GPT-6 Sol does, with 1.05M tokens against 256K.

### How many benchmarks do Seed 2.0 Pro and GPT-6 Sol share?

19 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and GPT-6 Sol has 45.