GPT-5.4 Mini vs GPT-6 Sol

Price, context window & benchmark comparison

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GPT-5.4 Mini

OpenAI
$0.75 / $4.50
Input / Output · per 1M tokens
VS
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GPT-6 Sol

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-5.4 Mini is 2.4× cheaper than GPT-6 Sol on a typical 3:1 input/output mix. GPT-6 Sol scores higher on the Artificial Analysis Intelligence Index (47.5 vs 24.1). GPT-6 Sol has the larger context window (1.1M vs 400K).
GPT-5.4 MiniGPT-6 Sol
Input price / 1M$0.75$2.00
Output price / 1M$4.50$10.00
Blended price (3:1)$1.69$4.00
Cached input / 1M$0.075$0.20
Context window400K1.1M
Max output128K128K
Intelligence index24.147.5
Coding index56.1
Providers7
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-03-172026-09-22
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FAQ

Which is cheaper, GPT-5.4 Mini or GPT-6 Sol?

GPT-5.4 Mini is 2.4× cheaper than GPT-6 Sol on a typical 3:1 input/output mix.

GPT-5.4 Mini vs GPT-6 Sol: which has a bigger context window?

GPT-5.4 Mini: 400,000 tokens. GPT-6 Sol: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5.4 Mini ≈ $3,750, GPT-6 Sol ≈ $9,000.

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