GPT-6 Astra vs MiniMax M3.1 Flash

Price, context window & benchmark comparison

OpenAI

GPT-6 Astra

OpenAI
$10.00 / $50.00
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 76.2× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra scores higher on the Artificial Analysis Intelligence Index (56.9 vs 28.9). GPT-6 Astra has the larger context window (1.1M vs 1M).
GPT-6 AstraMiniMax M3.1 Flash
Input price / 1M$10.00$0.15
Output price / 1M$50.00$0.60
Blended price (3:1)$20.00$0.26
Cached input / 1M$1.00$0.015
Context window1.1M1M
Max output128K524K
Intelligence index56.928.9
Coding index76.9—
Providers714
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-042026-10-19
Retirement——

Cost calculator

FAQ

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

MiniMax M3.1 Flash is 76.2× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

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

GPT-6 Astra: 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 Astra ≈ $45,000, MiniMax M3.1 Flash ≈ $600.00.

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