GPT-5 Mini vs MiniMax M3.1 Flash

Price, context window & benchmark comparison

OpenAI

GPT-5 Mini

OpenAI
$0.25 / $2.00
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 2.6× cheaper than GPT-5 Mini on a typical 3:1 input/output mix. MiniMax M3.1 Flash has the larger context window (1M vs 400K).
GPT-5 MiniMiniMax M3.1 Flash
Input price / 1M$0.25$0.15
Output price / 1M$2.00$0.60
Blended price (3:1)$0.69$0.26
Cached input / 1M$0.025$0.015
Context window400K1M
Max output128K524K
Intelligence index—29.1
Coding index15.6—
Providers—11
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-08-072026-10-19
Retirement2026-12-11—

Cost calculator

FAQ

Which is cheaper, GPT-5 Mini or MiniMax M3.1 Flash?

MiniMax M3.1 Flash is 2.6× cheaper than GPT-5 Mini on a typical 3:1 input/output mix.

GPT-5 Mini vs MiniMax M3.1 Flash: which has a bigger context window?

GPT-5 Mini: 400,000 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 Mini ≈ $1,500, MiniMax M3.1 Flash ≈ $600.00.

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