ERNIE 4.5 21B A3B Thinking vs MiniMax M2.1

Compare ERNIE 4.5 21B A3B Thinking from baidu and MiniMax M2.1 from MiniMax on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

ERNIE 4.5 21B A3B Thinking vs MiniMax M2.1: side-by-side summary

ERNIE 4.5 21B A3B Thinking and MiniMax M2.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

ERNIE 4.5 21B A3B Thinking, from baidu, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.

MiniMax M2.1, from MiniMax, has a 204,800-token context window and is priced at $0.30/M tokens input, $1.20/M tokens output on OpenRouter.

Context window

ERNIE 4.5 21B A3B Thinking: 131,072 tokens
MiniMax M2.1: 204,800 tokens

Price

ERNIE 4.5 21B A3B Thinking: Pricing varies by provider
MiniMax M2.1: $0.30/M tokens input, $1.20/M tokens output

Provided by

ERNIE 4.5 21B A3B Thinking: baidu
MiniMax M2.1: MiniMax

ERNIE 4.5 21B A3B Thinking vs MiniMax M2.1 at a glance

ERNIE 4.5 21B A3B Thinking vs MiniMax M2.1 comparison
Attribute	ERNIE 4.5 21B A3B Thinking	MiniMax M2.1
Input price	Pricing varies by provider	$0.30/M tokens
Output price	Pricing varies by provider	$1.20/M tokens
Context window	131,072 tokens	204,800 tokens
Intelligence Index	Not available	20.9
Coding Index	Not available	Not available
Agentic Index	Not available	Not available
Latency (p50)	Not available	1.18 s
Throughput (p50)	Not available	46.0 tok/s

Benchmark data updated Oct 5, 2026

Frequently asked questions

Which has the longer context window, ERNIE 4.5 21B A3B Thinking or MiniMax M2.1?

MiniMax M2.1 has the longer context window at 204,800 tokens, compared with 131,072 tokens for ERNIE 4.5 21B A3B Thinking.

ERNIE 4.5 21B A3B Thinking vs MiniMax M2.1

ERNIE 4.5 21B A3B Thinking vs MiniMax M2.1

Overview