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  5. GPT-4.5vsMiMo-V2.6-Flash
Updated Sep 2026

GPT-4.5vsMiMo-V2.6-Flash

MiMo-V2.6-Flash is cheaper than GPT-4.5 at $0.14/M vs $75/M input tokens.

GPT-4.5 and MiMo-V2.6-Flash compared across 1 shared prompts
SpecGPT-4.5MiMo-V2.6-Flash
Input price$75/M tokens$0.14/M tokens
Output price$150/M tokens$0.28/M tokens
Context window128K tokens1.0M tokens
Free API (OpenRouter)NoNo
ReleasedFeb 2025Sep 2026
Our Verdict
GPT-4.5
GPT-4.5
MiMo-V2.6-Flash
MiMo-V2.6-Flash

Not enough votes to call it. On the specs, nothing separates them.

MiMo-V2.6-Flash costs 536x less per token.

Too close to call
API pricing

Cost per 1M tokens

GPT-4.5
Input
$75.00
Output
$150.00
MiMo-V2.6-Flash
Input
$0.14
536× cheaper
Output
$0.28
536× cheaper

MiMo-V2.6-Flash is cheaper on both: 536× input, 536× output.

Where to run it

2 hosts

GPT-4.5

No hosts listed on OpenRouter.

MiMo-V2.6-Flash2 hosts
HostInOutContextUptime
DDeepInfrafp8$0.14 in·$0.28 out·1M·94.7% upXiaomifp8$0.14 in·$0.28 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-4.5 is developed by OpenAI while MiMo-V2.6-Flash is developed by Xiaomi. GPT-4.5 has a 128K token context window vs MiMo-V2.6-Flash's 1.0M. You can compare their actual outputs across 1 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-4.5 and MiMo-V2.6-Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 1 challenges so you can judge which fits your needs best.

GPT-4.5 costs $75/M input tokens and MiMo-V2.6-Flash costs $0.14/M input tokens. MiMo-V2.6-Flash is $74.86/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GPT-4.5 and MiMo-V2.6-Flash across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Keep exploring

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Same lab, same size, long tail

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MiMo-V2.6-Flash logoMiMo-V2.6-Pro logo
MiMo-V2.6-Flash vs MiMo-V2.6-ProSame lab
MiMo-V2.6-Flash logoMiMo-V2.5 logo
MiMo-V2.6-Flash vs MiMo-V2.5Same lab
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MiMo-V2.6-Flash vs Mistral Large 3 2512New provider
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MiMo-V2.6-Flash vs Mistral Medium 3Same size
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MiMo-V2.6-Flash vs Mistral Medium 3.1Same size
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MiMo-V2.6-Flash vs Mistral NemoSame size

Model pages

GPT-4.5 logo
GPT-4.526 outputs, specs and price
MiMo-V2.6-Flash logo
MiMo-V2.6-Flash10 outputs, specs and price
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