DeepSeek R1 vs GPT-5.6 Sol

DeepSeek R1 leads in 4 of 8 categories

Arena ELO

DeepSeek R1

Cheaper

DeepSeek R1

Faster

DeepSeek R1

Detailed Comparison

Category	DeepSeek R1	GPT-5.6 Sol
Provider	DeepSeek	OpenAI
Context Window	128K	128K
Input Price ($/1M)	$0.55 WIN	N/A
Output Price ($/1M)	$2.19 WIN	N/A
Arena ELO	1368 WIN	N/A
Coding	unknown	N/A
Reasoning	#1 Math & Coding Arena	N/A
Speed (tokens/sec)	~45 t/s WIN	N/A
Open Source	Yes	No

Frequently Asked Questions

Which is better for coding, DeepSeek R1 or GPT-5.6 Sol?

DeepSeek R1 scores unknown on coding benchmarks, while GPT-5.6 Sol scores N/A.

Which has a larger context window?

DeepSeek R1 supports 128K context, while GPT-5.6 Sol supports 128K.

Is DeepSeek R1 or GPT-5.6 Sol open source?

DeepSeek R1 is open source. GPT-5.6 Sol is proprietary.

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