GPT-5 vs GPT-6 Sol

Price, context window & benchmark comparison

OpenAI

GPT-5

OpenAI
$1.25 / $10.00
Input / Output · per 1M tokens
VS
OpenAI

GPT-6 Sol

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
OpenAI
OpenAI
Verdict: GPT-5 is 14% cheaper than GPT-6 Sol on a typical 3:1 input/output mix. GPT-6 Sol has the larger context window (1.1M vs 400K).
GPT-5GPT-6 Sol
Input price / 1M$1.25$2.00
Output price / 1M$10.00$10.00
Blended price (3:1)$3.44$4.00
Cached input / 1M$0.13$0.20
Context window400K1.1M
Max output128K128K
Intelligence index47.5
Coding index37.8
Providers7
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-08-072026-09-22
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FAQ

Which is cheaper, GPT-5 or GPT-6 Sol?

GPT-5 is 14% cheaper than GPT-6 Sol on a typical 3:1 input/output mix.

GPT-5 vs GPT-6 Sol: which has a bigger context window?

GPT-5: 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 ≈ $7,500, GPT-6 Sol ≈ $9,000.

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