Grok 4.5 vs MiniMax M3

Price, context window & benchmark comparison

X

Grok 4.5

xAI
$2.00 / $6.00
Input / Output · per 1M tokens
VS
M

MiniMax M3

MiniMax
$0.30 / $1.20
Input / Output · per 1M tokens
Compare different models
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M
Verdict: MiniMax M3 is 5.7× cheaper than Grok 4.5 on a typical 3:1 input/output mix. Grok 4.5 scores higher on the Artificial Analysis Intelligence Index (38.8 vs 29.2). MiniMax M3 has the larger context window (1M vs 500K).
Grok 4.5MiniMax M3
Input price / 1M$2.00$0.30
Output price / 1M$6.00$1.20
Blended price (3:1)$3.00$0.52
Cached input / 1M$0.30$0.06
Context window500K1M
Max output450K512K
Intelligence index38.829.2
Coding index72.458.6
Providers413
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-07-082026-05-31
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FAQ

Which is cheaper, Grok 4.5 or MiniMax M3?

MiniMax M3 is 5.7× cheaper than Grok 4.5 on a typical 3:1 input/output mix.

Grok 4.5 vs MiniMax M3: which has a bigger context window?

Grok 4.5: 500,000 tokens. MiniMax M3: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Grok 4.5 ≈ $7,000, MiniMax M3 ≈ $1,200.

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