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GPT-5.4 Nano vs MiMo-V2.5

List-price comparison ·GPT-5.4 Nano details ·MiMo-V2.5 details

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For a typical workload (100,000 requests / mo), MiMo-V2.5 is the cheapest — 62% less than the priciest here ($28.00/mo vs $74.00/mo).

 GPT-5.4 NanoMiMo-V2.5
Input / 1M tokens$0.200$0.140
Output / 1M tokens$1.25$0.280
Typical request (1,200 in + 400 out)$0.0007$0.0003
Context window400k tokens1050k tokens
Max output128k tokens131,072 tokens
Quality score62/10060/100
TierFlashFlash
ProviderOpenAIXiaomi

Projected monthly cost

Requests / moGPT-5.4 NanoMiMo-V2.5
1,000$0.74$0.28
10,000$7.40$2.80
100,000$74.00$28.00
Open all in the calculator — adjust volume and token counts →

GPT-5.4 Nano

Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.

Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.

MiMo-V2.5

Auto-synced from OpenRouter — no editorial write-up yet.

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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.