API cost decision in 10 seconds

GPT-4.1 Nano vs MiMo-V2-Pro

Pick GPT-4.1 Nano for lower cost; pick MiMo-V2-Pro only if the larger context window matters more.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-26T19:08:13Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT-4.1 Nano for lower cost; pick MiMo-V2-Pro only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GPT-4.1 Nano is estimated at $0.3 vs $2.5 for MiMo-V2-Pro, saving $2.2 (88% lower).

Cost-first pickGPT-4.1 Nano

Context-first pickMiMo-V2-Pro

Sample savings$2.288%

10x traffic gap$22

MiMo-V2-Pro has more context, but GPT-4.1 Nano saves $2.2 on the standard workload. At 10x that traffic, the same price gap is about $22. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GPT-4.1 Nano stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	GPT-4.1 Nano	MiMo-V2-Pro
Input-heavy / RAG	5M input + 500K output	GPT-4.1 Nano	$0.7	$6.5
Balanced workload	1M input + 1M output	GPT-4.1 Nano	$0.5	$4
Output-heavy chatbot	1M input + 5M output	GPT-4.1 Nano	$2.1	$16

Cheaper input GPT-4.1 Nano $0.1 vs $1 / 1M

GPT-4.1 Nano is $0.9 cheaper per 1M input tokens (90% lower; 10x difference).

Cheaper output GPT-4.1 Nano $0.4 vs $3 / 1M

GPT-4.1 Nano is $2.6 cheaper per 1M output tokens (86.7% lower; 7.5x difference).

Larger context MiMo-V2-Pro 1.05M vs 1.05M

MiMo-V2-Pro has 1K more context (1x larger).

Sample workload GPT-4.1 Nano $0.3 vs $2.5

GPT-4.1 Nano is $2.2 cheaper on the standard workload (88% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

GPT-4.1 Nano Calculating… Estimated API cost

MiMo-V2-Pro Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

GPT-4.1 Nano has the lower input price; GPT-4.1 Nano has the lower output price; MiMo-V2-Pro offers the larger context window. For the 1M input plus 500K output sample, GPT-4.1 Nano is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.3 for GPT-4.1 Nano and $2.5 for MiMo-V2-Pro.

Best Fit

Choose GPT-4.1 Nano when you care most about lower input-token price, and lower output-token price.

Choose MiMo-V2-Pro when you care most about larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, GPT-4.1 Nano is estimated at $0.3 vs $2.5 for MiMo-V2-Pro, saving $2.2 (88% lower).
GPT-4.1 Nano is $2.2 cheaper on the standard workload (88% lower).
GPT-4.1 Nano is $0.9 cheaper per 1M input tokens (90% lower; 10x difference).
GPT-4.1 Nano is $2.6 cheaper per 1M output tokens (86.7% lower; 7.5x difference).
MiMo-V2-Pro has 1K more context (1x larger).

Head-to-Head Specs

Feature	GPT-4.1 Nano (OpenAI)	MiMo-V2-Pro (Xiaomi)
Input Price prompt tokens per 1M	$0.1	$1
Completion Price per 1M tokens	$0.4	$3
Sample Workload Cost 1M input + 500K output	$0.3	$2.5
Context Window	1.05M	1.05M
Release Date	2025-04-14	2026-03-18
Popularity	#73	#74

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	GPT-4.1 Nano	On the standard 1M input plus 500K output workload, GPT-4.1 Nano is estimated at $0.3 vs $2.5 for MiMo-V2-Pro, saving $2.2 (88% lower).
High-volume input processing	GPT-4.1 Nano	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	GPT-4.1 Nano	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	MiMo-V2-Pro	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

gpt-oss-120b (free) can replace GPT-4.1 Nano when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT-4.1 Nano when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT-4.1 Nano when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT-4.1 Nano when lower sample workload cost matters most: $0.13.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.

Popular competitors

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Larger context alternatives

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Provider catalogs

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OpenAI catalog

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Xiaomi catalog

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GPT-4.1 Nano

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...

MiMo-V2-Pro

MiMo-V2-Pro is Xiaomi's flagship foundation model, featuring over 1T total parameters and a 1M context length, deeply optimized for agentic scenarios. It is highly adaptable to general agent frameworks like...