GPT-5 Mini vs GPT-6.1 Sol Pro

Price, context window & benchmark comparison

OpenAI

GPT-5 Mini

OpenAI
$0.25 / $2.00
Input / Output · per 1M tokens
VS
OpenAI

GPT-6.1 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
OpenAI
OpenAI
Verdict: GPT-5 Mini is 5.8× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix. GPT-6.1 Sol Pro has the larger context window (1.1M vs 400K).
GPT-5 MiniGPT-6.1 Sol Pro
Input price / 1M$0.25$2.00
Output price / 1M$2.00$10.00
Blended price (3:1)$0.69$4.00
Cached input / 1M$0.025$0.10
Context window400K1.1M
Max output128K128K
Intelligence index——
Coding index15.6—
Providers—7
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-08-072026-09-29
Retirement2026-12-11—

Cost calculator

FAQ

Which is cheaper, GPT-5 Mini or GPT-6.1 Sol Pro?

GPT-5 Mini is 5.8× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix.

GPT-5 Mini vs GPT-6.1 Sol Pro: which has a bigger context window?

GPT-5 Mini: 400,000 tokens. GPT-6.1 Sol Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5 Mini ≈ $1,500, GPT-6.1 Sol Pro ≈ $9,000.

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