ERNIE 4.5 21B A3B Thinking vs MiMo-V2-Flash

Compare ERNIE 4.5 21B A3B Thinking from baidu and MiMo-V2-Flash from Xiaomi 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 MiMo-V2-Flash: side-by-side summary

ERNIE 4.5 21B A3B Thinking and MiMo-V2-Flash 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.

MiMo-V2-Flash, from Xiaomi, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.

Context window

ERNIE 4.5 21B A3B Thinking: 131,072 tokens
MiMo-V2-Flash: 262,144 tokens

Price

ERNIE 4.5 21B A3B Thinking: Pricing varies by provider
MiMo-V2-Flash: Pricing varies by provider

Provided by

ERNIE 4.5 21B A3B Thinking: baidu
MiMo-V2-Flash: Xiaomi

ERNIE 4.5 21B A3B Thinking vs MiMo-V2-Flash at a glance

ERNIE 4.5 21B A3B Thinking vs MiMo-V2-Flash comparison
Attribute	ERNIE 4.5 21B A3B Thinking	MiMo-V2-Flash
Input price	Pricing varies by provider	Pricing varies by provider
Output price	Pricing varies by provider	Pricing varies by provider
Context window	131,072 tokens	262,144 tokens
Intelligence Index	Not available	22.4
Coding Index	Not available	Not available
Agentic Index	Not available	Not available
Latency (p50)	Not available	Not available
Throughput (p50)	Not available	Not available

Benchmark data updated Oct 5, 2026

Frequently asked questions

Which has the longer context window, ERNIE 4.5 21B A3B Thinking or MiMo-V2-Flash?

MiMo-V2-Flash has the longer context window at 262,144 tokens, compared with 131,072 tokens for ERNIE 4.5 21B A3B Thinking.

ERNIE 4.5 21B A3B Thinking vs MiMo-V2-Flash

ERNIE 4.5 21B A3B Thinking vs MiMo-V2-Flash

Overview