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DeepSeek-R1-0528 vs GPT-6 Sol

GPT-6 Sol leads the LLM Stats Score 49.4 to 24.1. DeepSeek-R1-0528 is 4.4x cheaper per token.

DeepSeek · OpenAI · Updated for 2026

Which is better?

GPT-6 Sol leads the overall LLM Stats Score 49.4 to 24.1, ranking #21 overall.

On price, DeepSeek-R1-0528 is roughly 4.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Sol also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose DeepSeek-R1-0528

  • cost matters — it's about 4.4x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose GPT-6 Sol

  • overall performance matters — it scores 49.4 and ranks #21 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Core performance indexes
24.1
#173
49.4
#21
23.7
#169
45.6
#29
7.7
#190
35.8
#25
-12.0
#190
36.7
#15
Cost, coverage & limits
Benchmark wins
Input price
$0.50 / M
$2.00 / M
Output price
$2.15 / M
$10.00 / M
Context window
163,840
1,050,000

Individual benchmarks

16 reported for DeepSeek-R1-0528 · 5 for GPT-6 Sol

No common benchmarks found

DeepSeek-R1-0528 and GPT-6 Soldon'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

DeepSeek-R1-0528 costs less

For input processing, DeepSeek-R1-0528 ($0.50/1M tokens) is 4.0x cheaper than GPT-6 Sol ($2.00/1M tokens).

For output processing, DeepSeek-R1-0528 ($2.15/1M tokens) is 4.7x cheaper than GPT-6 Sol ($10.00/1M tokens).

In conclusion, GPT-6 Sol is more expensive than DeepSeek-R1-0528.*

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

Lowest available price from all providers
Wed Sep 23 2026 • llm-stats.com
DeepSeek
DeepSeek-R1-0528
Input tokens$0.50
Output tokens$2.15
Best providerDeepinfra
OpenAI
GPT-6 Sol
Input tokens$2.00
Output tokens$10.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-6 Sol accepts 1,050,000 input tokens compared to DeepSeek-R1-0528's 163,840 tokens. DeepSeek-R1-0528 can generate longer responses up to 163,840 tokens, while GPT-6 Sol is limited to 128,000 tokens.

DeepSeek
DeepSeek-R1-0528
Input163,840 tokens
Output163,840 tokens
OpenAI
GPT-6 Sol
Input1,050,000 tokens
Output128,000 tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Sol supports multimodal inputs, whereas DeepSeek-R1-0528 does not.

GPT-6 Sol can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-R1-0528

Text
Images
Audio
Video

GPT-6 Sol

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-R1-0528 is licensed under MIT, while GPT-6 Sol uses a proprietary license.

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

DeepSeek-R1-0528

MIT

Open weights

GPT-6 Sol

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-R1-0528 was released on 2025-05-28, while GPT-6 Sol was released on 2026-09-22.

GPT-6 Sol is 16 months newer than DeepSeek-R1-0528.

DeepSeek-R1-0528

May 28, 2025

1.3 years ago

GPT-6 Sol

Sep 22, 2026

0 days ago

1.3yr newer

Knowledge Cutoff

When training data ends

GPT-6 Sol has a documented knowledge cutoff of 2026-04-20, while DeepSeek-R1-0528's cutoff date is not specified.

We can confirm GPT-6 Sol's training data extends to 2026-04-20, but cannot make a direct comparison without DeepSeek-R1-0528's cutoff date.

DeepSeek-R1-0528

GPT-6 Sol

Apr 2026

Provider Availability

DeepSeek-R1-0528 is available from DeepInfra, DeepSeek, Novita. GPT-6 Sol is available from OpenAI.

DeepSeek-R1-0528

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.15/1M
deepseek logo
DeepSeek
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.70/1MOutput Price:Output: $2.50/1M

GPT-6 Sol

openai logo
OpenAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against DeepSeek-R1-0528 and GPT-6 Sol side-by-side, then vote on the output you prefer.

DeepSeek-R1-0528
✓ Preferred
GPT-6 Sol
Open in Playground

FAQ

Common questions about DeepSeek-R1-0528 vs GPT-6 Sol.

Which is better, DeepSeek-R1-0528 or GPT-6 Sol?

GPT-6 Sol leads the LLM Stats Score 49.4 to 24.1. DeepSeek-R1-0528 is made by DeepSeek and GPT-6 Sol is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-R1-0528 compare to GPT-6 Sol in benchmarks?

DeepSeek-R1-0528 scores MMLU-Redux: 93.4%, SimpleQA: 92.3%, AIME 2024: 91.4%, AIME 2025: 87.5%, MMLU-Pro: 85.0%. GPT-6 Sol scores DeepSWE 1.1: 68.8%, OSWorld 2.0: 64.4%, Agents' Last Exam: 56.4%, FrontierCode 1.1: 49.3%, AutomationBench v1.0.6: 33.2%.

Is DeepSeek-R1-0528 cheaper than GPT-6 Sol?

DeepSeek-R1-0528 is 4.0x cheaper for input tokens. DeepSeek-R1-0528 costs $0.50/M input and $2.15/M output via deepinfra. GPT-6 Sol costs $2.00/M input and $10.00/M output via openai.

What are the context window sizes for DeepSeek-R1-0528 and GPT-6 Sol?

DeepSeek-R1-0528 supports 164K tokens and GPT-6 Sol supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-R1-0528 and GPT-6 Sol?

Key differences include LLM Stats Score (24.1 vs 49.4), context window (164K vs 1.1M), input pricing ($0.50 vs $2.00/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-R1-0528 and GPT-6 Sol?

DeepSeek-R1-0528 is developed by DeepSeek and GPT-6 Sol is developed by OpenAI.