DeepSeek V3.1 vs GPT-6 Sol Pro

Price, context window & benchmark comparison

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DeepSeek V3.1

DeepSeek
$0.25 / $0.95
Input / Output · per 1M tokens
VS
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GPT-6 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
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Verdict: DeepSeek V3.1 is 9.4× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 164K).
DeepSeek V3.1GPT-6 Sol Pro
Input price / 1M$0.25$2.00
Output price / 1M$0.95$10.00
Blended price (3:1)$0.42$4.00
Cached input / 1M$0.13$0.20
Context window164K1.1M
Max output33K128K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)99.9%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2025-08-212026-09-22
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FAQ

Which is cheaper, DeepSeek V3.1 or GPT-6 Sol Pro?

DeepSeek V3.1 is 9.4× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.

DeepSeek V3.1 vs GPT-6 Sol Pro: which has a bigger context window?

DeepSeek V3.1: 163,840 tokens. GPT-6 Sol Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V3.1 ≈ $975.00, GPT-6 Sol Pro ≈ $9,000.

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