GPT-6 Luna vs MiniMax M3.1 Flash

Price, context window & benchmark comparison

OpenAI

GPT-6 Luna

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
MiniMax

MiniMax M3.1 Flash

MiniMax
$0.075 / $0.30
Input / Output · per 1M tokens
Compare different models
OpenAI
MiniMax
Verdict: MiniMax M3.1 Flash is 34% cheaper than GPT-6 Luna on a typical 3:1 input/output mix. MiniMax M3.1 Flash scores higher on the Artificial Analysis Intelligence Index (28.9 vs 27.8). GPT-6 Luna has the larger context window (1.1M vs 1M).
GPT-6 LunaMiniMax M3.1 Flash
Input price / 1M$0.10$0.075
Output price / 1M$0.50$0.30
Blended price (3:1)$0.20$0.13
Cached input / 1M$0.01$0.0075
Context window1.1M1M
Max output128K524K
Intelligence index27.828.9
Coding index——
Providers714
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-10-19
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6 Luna or MiniMax M3.1 Flash?

MiniMax M3.1 Flash is 34% cheaper than GPT-6 Luna on a typical 3:1 input/output mix.

GPT-6 Luna vs MiniMax M3.1 Flash: which has a bigger context window?

GPT-6 Luna: 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-6 Luna ≈ $450.00, MiniMax M3.1 Flash ≈ $300.00.

More comparisons