Model comparison 2026

GPT-5.4 vs MiniMax M2.1

GPT-5.4
OpenAI · Balanced · Proprietary
$6.25/1M · 1.1M ctx
MiniMax M2.1
MiniMax · Balanced · Open weights
$0.57/1M · 205K ctx

Community vote

Pick a winner in each dimension. You can change your vote any time.

Output Quality

Correctness and depth of what it produces

Agentic Ability

Tool calls, instruction-following, and multi-step tasks

Speed

Tokens per second and time-to-first-token

Value for Money

How much capability you get per dollar

Reliability

Consistent results: fewer refusals, loops and format breaks

Specs and pricing side by side

Spec
GPT-5.4
MiniMax M2.1
Maker
OpenAI
MiniMax
Blended price / 1M
$6.25
$0.57
Input / output
$2.50 in · $15 out / 1M tokens
$0.30 in · $1.20 out / 1M tokens
Context window
1.1M
205K
Open weights
No
Yes
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
7.7
5.1
Agentic Ability
6.2
4.7
Speed
7.6
6.9
Value for Money
4.6
7.2
Reliability
8.6
8.3

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: GPT-5.4 or MiniMax M2.1?

Updated 2026-10-17

Choose GPT-5.4 if you want existing GPT-5.4 setups that have not moved to the GPT-6 family. Choose MiniMax M2.1 if you want short, tool-heavy agent steps on a tight budget.

In our editorial scoring, GPT-5.4 leads in 4 of five dimensions (output quality, agentic ability, speed and reliability), while MiniMax M2.1 leads in 1. On price, GPT-5.4 runs about $6.25 per 1M tokens (blended) and is proprietary; MiniMax M2.1 is about $0.57 and open-weight.

Where GPT-5.4 falls short
  • Superseded by the GPT-6 family; GPT-6.1 Sol scores higher for less
  • Prompts over 272K tokens bill at higher rates
Full GPT-5.4 breakdown →
Where MiniMax M2.1 falls short
  • 204K context, smaller than 19.7% of the coding-agent requests we measured
  • Superseded by MiniMax M3
Full MiniMax M2.1 breakdown →

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