Which is cheaper, MiniMax M2.1 or o3?

MiniMax M2.1 lists at $0.3 input and $1.2 output per 1M tokens; o3 at $2 and $8. MiniMax M2.1 is 6.7x cheaper per token at list price.

Which has the larger context window?

MiniMax M2.1 accepts 205K tokens and o3 200K tokens.

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MiniMax M2.1 vs o3: benchmarks, price and context | Respan

MiniMax M2.1 vs o3

o3 scores 23.9 on the Respan Index (#86), ahead of MiniMax M2.1 at 21.1 (#88). They split the 2 benchmarks both report evenly. MiniMax M2.1 is 6.7x cheaper per token at list price. MiniMax M2.1 has the larger context window (205K tokens).

MiniMax M2.1MiniMax

Respan Index: 21.1 (#88)
Input / output per 1M: $0.3 / $1.2
Blended price per 1M: $0.525
Context window: 205K
Max output: -
Input: text
Released: 2025-12-22

Prices and providers on Respan

o3OpenAI

Respan Index: 23.9 (#86)
Input / output per 1M: $2 / $8
Blended price per 1M: $3.5
Context window: 200K
Max output

Respan Index by category

Coding10.5 MiniMax M2.17.9 o3
Agents23.1 MiniMax M2.19.1 o3
Reasoning14.4 MiniMax M2.130.3

Benchmarks both report

Benchmark	MiniMax M2.1	o3
SimpleBench (SimpleBench)	34.7%	53.1%
SWE-bench Verified	74%	69.1%

Higher is better. Each score links to where it was published.

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MiniMax M2.1 vs o3

Respan Index by category

Benchmarks both report

FAQ

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Respan Index by category

Benchmarks both report

FAQ

Is MiniMax M2.1 better than o3?

Which is cheaper, MiniMax M2.1 or o3?

Which has the larger context window?

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