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o4 Mini High vs MiMo-V2.5

o4 Mini High

OpenAI

72#92
vs
MiMo-V2.5

Xiaomi

73#90
Signal-by-Signal Comparison
Signalo4 Mini HighDeltaMiMo-V2.5
Capabilities
100
+17
83
Benchmarks
70
-1
71
Pricing
96
-4
100
Context window size
76
-10
86
Recency
50
-50
100
Output Capacity
83
+63
20
Overall Result
2 wins
of 6
4 wins
MiMo-V2.5 wins 4 of 6 signals

Score History

Score History (22 data points)
o4 Mini HighMiMo-V2.5
o4 Mini High

71.6

current score

Leader

MiMo-V2.5

right now

MiMo-V2.5

72.5

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

o4 Mini High

OpenAI

Per request$0.003300
Daily$11.00
Monthly$330.00
Annual$3960.00

MiMo-V2.5

Xiaomi

Best Value
Per request$0.000245
Daily$0.82
Monthly$24.50
Annual$294.00

MiMo-V2.5 saves you $305.50/month

That's $3666.00/year compared to o4 Mini High at your current usage level of 100K calls/month.

93% cheaper
Choose MiMo-V2.5 for cost optimization

o4 Mini High pricing:
Input:$1.10/M tokens
Output:$4.40/M tokens
MiMo-V2.5 pricing:
Input:$0.10/M tokens
Output:$0.28/M tokens
o4 Mini High

OpenAI

72

Composite Score

Winner
MiMo-V2.5

Xiaomi

73

Composite Score

Signal-by-Signal Comparison
Metrico4 Mini HighMiMo-V2.5Winner
Overall Score
72
73
MiMo-V2.5
Rank#92#90
MiMo-V2.5
Quality Rank#92#90
MiMo-V2.5
Adoption Rank#92#90
MiMo-V2.5
Parameters------
Context Window200K1049K
MiMo-V2.5
Pricing$1.10/$4.40/M$0.10/$0.28/M--
Signal Scores
Capabilities
100
83
o4 Mini High
Benchmarks
70
71
MiMo-V2.5
Pricing
96
100
MiMo-V2.5
Context window size
76
86
MiMo-V2.5
Recency
50
100
MiMo-V2.5
Output Capacity
83
20
o4 Mini High
Benchmark Head-to-Head(2 benchmarks)
o4 Mini: 0MiMo-V2.5: 0
o4 Mini
MiMo-V2.5
Normalized 0-100%
Arena Elo
-1434
LiveBench
87.3%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

o4 Mini HighStrong Performer

Scores 72/100 (rank #92), placing it in the top 69% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
MiMo-V2.5Strong Performer

Scores 73/100 (rank #90), placing it in the top 69% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 1-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose o4 Mini High when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose MiMo-V2.5 when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
o4 Mini High
Input cost$1.10/M tokens
Output cost$4.40/M tokens
Cost per quality point$0.077
Est. monthly (1M tokens/day)$82.50
MiMo-V2.5Best Value
Input cost$0.10/M tokens
Output cost$0.28/M tokens
Cost per quality point$0.005
Est. monthly (1M tokens/day)$5.78

MiMo-V2.5 offers 93% better value per quality point. At 1M tokens/day, you'd spend $5.78/month with MiMo-V2.5 vs $82.50/month with o4 Mini High - a $76.72 monthly difference.

Latency & Speed
o4 Mini HighFaster
Speed score0/100
MiMo-V2.5
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

o4 Mini High

Customer support chatbot

Suitable for user-facing chat with competitive response times. MiMo-V2.5 also offers lower per-token costs for high-volume support

o4 Mini High

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

MiMo-V2.5

Batch data extraction

Lower output pricing ($0.28/M) reduces costs when processing thousands of records daily

MiMo-V2.5

Creative writing & content

Higher overall composite score (73/100) correlates with better nuance, coherence, and style in long-form content

MiMo-V2.5

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

o4 Mini High
Which Should You Choose?
Our recommendation:
MiMo-V2.5

o4 Mini High and MiMo-V2.5 are extremely close in overall performance (only 0.9000000000000057 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
MiMo-V2.5
Recommended

by Xiaomi

  • Choose for Cost - 93% lower pricing; better value at scale
Capability Comparison
Capabilityo4 Mini HighMiMo-V2.5
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

o4 Mini High

OpenAI

$7.26
estimated monthly cost

MiMo-V2.5

Xiaomi

Best Value
$0.5250
estimated monthly cost

MiMo-V2.5 saves you $6.74/month

That's 93% cheaper than o4 Mini High at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
Parametero4 Mini HighMiMo-V2.5
Context Window200K1.0M
Max Output Tokens100,000--
Open SourceNoYes
CreatedApr 16, 2025Apr 22, 2026
Last updated: 14m ago

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