GPT-5.6 Sol Pro vs MiniMax M3.1 Flash

Price, context window & benchmark comparison

OpenAI

GPT-5.6 Sol Pro

OpenAI
$4.00 / $20.00
Input / Output · per 1M tokens
VS
MiniMax

MiniMax M3.1 Flash

MiniMax
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
OpenAI
MiniMax
Verdict: MiniMax M3.1 Flash is 30.5× cheaper than GPT-5.6 Sol Pro on a typical 3:1 input/output mix. GPT-5.6 Sol Pro has the larger context window (1.1M vs 1M).
GPT-5.6 Sol ProMiniMax M3.1 Flash
Input price / 1M$4.00$0.15
Output price / 1M$20.00$0.60
Blended price (3:1)$8.00$0.26
Cached input / 1M$0.40$0.015
Context window1.1M1M
Max output128K524K
Intelligence index—29.1
Coding index——
Providers—11
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-07-092026-10-19
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-5.6 Sol Pro or MiniMax M3.1 Flash?

MiniMax M3.1 Flash is 30.5× cheaper than GPT-5.6 Sol Pro on a typical 3:1 input/output mix.

GPT-5.6 Sol Pro vs MiniMax M3.1 Flash: which has a bigger context window?

GPT-5.6 Sol Pro: 1,050,000 tokens. MiniMax M3.1 Flash: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5.6 Sol Pro ≈ $18,000, MiniMax M3.1 Flash ≈ $600.00.

More comparisons