GPT-6 Sol Pro vs Solar Pro 3

Price, context window & benchmark comparison

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GPT-6 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
VS
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Solar Pro 3

Upstage
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
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Verdict: Solar Pro 3 is 15.2× 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 131K).
GPT-6 Sol ProSolar Pro 3
Input price / 1M$2.00$0.15
Output price / 1M$10.00$0.60
Blended price (3:1)$4.00$0.26
Cached input / 1M$0.20$0.015
Context window1.1M131K
Max output128K118K
Intelligence index7.8
Coding index16.2
Providers6
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-01-27
Retirement

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FAQ

Which is cheaper, GPT-6 Sol Pro or Solar Pro 3?

Solar Pro 3 is 15.2× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.

GPT-6 Sol Pro vs Solar Pro 3: which has a bigger context window?

GPT-6 Sol Pro: 1,050,000 tokens. Solar Pro 3: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Sol Pro ≈ $9,000, Solar Pro 3 ≈ $600.00.

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