API cost decision in 10 seconds

🔥GPT-5.4 vs MiMo-V2-Omni

Pick MiMo-V2-Omni for lower cost; pick GPT-5.4 only if the larger context window matters more.

Page updated: 2026-05-26T12:03:47Z Data confirmed: 2026-05-26T14:08:03Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick MiMo-V2-Omni for lower cost; pick GPT-5.4 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, MiMo-V2-Omni is estimated at $1.4 vs $10 for GPT-5.4, saving $8.6 (86% lower).

Cost-first pickMiMo-V2-Omni

Context-first pickGPT-5.4

Sample savings$8.686%

10x traffic gap$86

GPT-5.4 has more context, but MiMo-V2-Omni saves $8.6 on the standard workload. At 10x that traffic, the same price gap is about $86. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

MiMo-V2-Omni stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	GPT-5.4	MiMo-V2-Omni
Input-heavy / RAG	5M input + 500K output	MiMo-V2-Omni	$20	$3
Balanced workload	1M input + 1M output	MiMo-V2-Omni	$17.5	$2.4
Output-heavy chatbot	1M input + 5M output	MiMo-V2-Omni	$77.5	$10.4

Cheaper input MiMo-V2-Omni $2.5 vs $0.4 / 1M

MiMo-V2-Omni is $2.1 cheaper per 1M input tokens (84% lower; 6.25x difference).

Cheaper output MiMo-V2-Omni $15 vs $2 / 1M

MiMo-V2-Omni is $13 cheaper per 1M output tokens (86.7% lower; 7.5x difference).

Larger context GPT-5.4 1.05M vs 262.14K

GPT-5.4 has 787.86K more context (4.01x larger).

Sample workload MiMo-V2-Omni $10 vs $1.4

MiMo-V2-Omni is $8.6 cheaper on the standard workload (86% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

GPT-5.4 Calculating… Estimated API cost

MiMo-V2-Omni 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

MiMo-V2-Omni has the lower input price; MiMo-V2-Omni has the lower output price; GPT-5.4 offers the larger context window. For the 1M input plus 500K output sample, MiMo-V2-Omni is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $10 for GPT-5.4 and $1.4 for MiMo-V2-Omni.

Best Fit

Choose GPT-5.4 when you care most about larger context window.

Choose MiMo-V2-Omni when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, MiMo-V2-Omni is estimated at $1.4 vs $10 for GPT-5.4, saving $8.6 (86% lower).
MiMo-V2-Omni is $8.6 cheaper on the standard workload (86% lower).
MiMo-V2-Omni is $2.1 cheaper per 1M input tokens (84% lower; 6.25x difference).
MiMo-V2-Omni is $13 cheaper per 1M output tokens (86.7% lower; 7.5x difference).
GPT-5.4 has 787.86K more context (4.01x larger).

Head-to-Head Specs

Feature	🔥GPT-5.4 (OpenAI)	MiMo-V2-Omni (Xiaomi)
Input Price prompt tokens per 1M	$2.5	$0.4
Completion Price per 1M tokens	$15	$2
Sample Workload Cost 1M input + 500K output	$10	$1.4
Context Window	1.05M	262.14K
Release Date	2026-03-05	2026-03-18
Popularity	#19

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	MiMo-V2-Omni	On the standard 1M input plus 500K output workload, MiMo-V2-Omni is estimated at $1.4 vs $10 for GPT-5.4, saving $8.6 (86% lower).
High-volume input processing	MiMo-V2-Omni	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	MiMo-V2-Omni	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT-5.4	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-5.4 when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT-5.4 when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT-5.4 when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT-5.4 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 Multi-Agent offers 2M context with $5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.

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OpenAI catalog

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Xiaomi catalog

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GPT-5.4

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...

MiMo-V2-Omni

MiMo-V2-Omni is a frontier omni-modal model that natively processes image, video, and audio inputs within a unified architecture. It combines strong multimodal perception with agentic capability - visual grounding, multi-step...