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  3. GPT-4o mini vs Xiaomi: MiMo-V2.5

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

GPT-4o mini vs Xiaomi: MiMo-V2.5 benchmark

In this head-to-head showdown, Xiaomi: MiMo-V2.5 is more budget-friendly at $0.28/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose GPT-4o mini if your priority is peak reasoning, complex code generation, and top preference Elo. Choose Xiaomi: MiMo-V2.5 if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Executive Verdict Summary

Xiaomi: MiMo-V2.5 holds empirical advantage (3 of 3 metrics)

Coding / SWESWE-bench
GPT-4o miniTop code solve rate
ReasoningGPQA / Live
GPT-4o miniTop logical accuracy
Best Value$/1M Tok
Xiaomi: MiMo-V2.5Lowest API billing cost
Speed / TokTok/Sec
GPT-4o miniFastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

GPT-4o mini (0)Xiaomi: MiMo-V2.5 (3)
GPT-4o mini
0 of 3 Wins
Competitive baseline across remaining benchmarks
Xiaomi: MiMo-V2.5
3 of 3 Wins
✓Input price✓Output price✓Context window
OpenAI
GPT-4o mini

Legacy small OpenAI model. Useful as a cheap baseline.

4o MiniElo 1,272In: $0.15 · Out: $0.6/1M
xiaomi
Leads 3 of 3
Xiaomi: MiMo-V2.5

Auto-discovered from OpenRouter (xiaomi/mimo-v2.5). Preview until a second source matches.

In: $0.14 · Out: $0.28/1M

GPT-4 Series Lineage & Sibling Variants

4 models

Currently comparing GPT-4o mini vs Xiaomi: MiMo-V2.5. Alternative family tiers available.

Active: GPT-4o mini
GPT-4o$10GPT-4.5 Orion$150OpenAI: GPT-4$60
Top Rival Showdowns for GPT-4o mini
All Matchups
Compare vs:vs Claude Opus 4.5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderXiaomi: MiMo-V2.5 Wins

Xiaomi: MiMo-V2.5

$0.28 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

GPT-4o mini (6)vsXiaomi: MiMo-V2.5 (3)
GPT-4o mini: 6W (67%)Overall: GPT-4o miniXiaomi: MiMo-V2.5: 3W (33%)
← GPT-4o miniXiaomi: MiMo-V2.5 →
🏆GPT-4o mini Leads(4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
GPT-4o minivsXiaomi: MiMo-V2.5
Preference Elo
1,272vs—
Coding Elo
—vs—
SWE-bench
41.2%vs—
LiveBench
48.1%vs—
GPQA Diamond
60.1%vs—
GPT-4o mini: 4WXiaomi: MiMo-V2.5: 0W
🏆GPT-4o mini Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
GPT-4o minivsXiaomi: MiMo-V2.5
Output speed
160 tok/svs—
Time to first token
130 msvs—
GPT-4o mini: 2WXiaomi: MiMo-V2.5: 0W
🏆Xiaomi: MiMo-V2.5 Leads(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
GPT-4o minivsXiaomi: MiMo-V2.5
Output price
$0.6/1Mvs$0.28/1M+$0.32/1M
Input price
$0.15/1Mvs$0.14/1M+$0.01/1M
Context window
128kvs1.1M+922k
GPT-4o mini: 0WXiaomi: MiMo-V2.5: 3W

Side-by-Side Benchmark Matrix

GPT-4o miniXiaomi: MiMo-V2.5
Preference Elo
GPT-4o mini1,272
Xiaomi: MiMo-V2.5—
LiveBench
GPT-4o mini48.1%
Xiaomi: MiMo-V2.5—
SWE-bench
GPT-4o mini41.2%
Xiaomi: MiMo-V2.5—
GPQA Diamond
GPT-4o mini60.1%
Xiaomi: MiMo-V2.5—
Time to first token
GPT-4o mini130 ms
Xiaomi: MiMo-V2.5—
Output speed
GPT-4o mini160 tok/s
Xiaomi: MiMo-V2.5—
Input priceXiaomi: MiMo-V2.5 +$0.01/1M
GPT-4o mini$0.15/1M
Xiaomi: MiMo-V2.5$0.14/1M
Output priceXiaomi: MiMo-V2.5 +$0.32/1M
GPT-4o mini$0.6/1M
Xiaomi: MiMo-V2.5$0.28/1M
Context windowXiaomi: MiMo-V2.5 +922k
GPT-4o mini128k
Xiaomi: MiMo-V2.51.1M
BenchmarkGPT-4o miniXiaomi: MiMo-V2.5Advantage Delta
Preference Elo
1,272
lmarena · Aug 17, 2026
——
LiveBench
48.1%
livebench · Aug 17, 2026
——
SWE-bench
41.2%
swebench · Aug 17, 2026
——
GPQA Diamond
60.1%
seed-bootstrap · Aug 1, 2026
——
Time to first token
130 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
160 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$0.15/1M
openrouter · Aug 17, 2026
$0.14/1M
openrouter · Aug 17, 2026
+$0.01/1M
Output price
$0.6/1M
openrouter · Aug 17, 2026
$0.28/1M
openrouter · Aug 17, 2026
+$0.32/1M
Context window
128k
openrouter · Aug 17, 2026
1.1M
openrouter · Aug 17, 2026
+922k

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save 36% with Xiaomi: MiMo-V2.5
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
GPT-4o mini$14.25 / mo
In: $5.25Out: $9
Xiaomi: MiMo-V2.5$9.10 / mo
In: $4.9Out: $4.2
Estimated Cost Delta

Xiaomi: MiMo-V2.5 is estimated to save $5.15/month ($62/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Xiaomi: MiMo-V2.5:Pick Xiaomi: MiMo-V2.5 when you are optimizing output cost.
  • 2
    Xiaomi: MiMo-V2.5:Pick Xiaomi: MiMo-V2.5 for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatXiaomi: MiMo-V2.5

Lower output list price ($0.28/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGXiaomi: MiMo-V2.5

Larger window (1.1M).

Screenshots / visionGPT-4o mini

GPT-4o mini is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatXiaomi: MiMo-V2.5Lower output list price ($0.28/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGXiaomi: MiMo-V2.5Larger window (1.1M).
Screenshots / visionGPT-4o miniGPT-4o mini is the side marked multimodal in the catalog.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
OpenAI

GPT-4o mini

Elo 1,272
SWE-bench41.2%
Speed (tok/s)160 tok/s
Input / 1M Tokens$0.15/1M
Output / 1M Tokens$0.6/1M
xiaomi

Xiaomi: MiMo-V2.5

Elo n/a
SWE-bench—
Speed (tok/s)1.1M
Input / 1M Tokens$0.14/1M
Output / 1M Tokens$0.28/1M

Frequently Asked Questions

Which is better overall, GPT-4o mini or Xiaomi: MiMo-V2.5?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, GPT-4o mini or Xiaomi: MiMo-V2.5?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Xiaomi: MiMo-V2.5 output tokens are $0.28/1M versus $0.6/1M. Input prices and retry rates still move the real bill.
Which is faster, GPT-4o mini or Xiaomi: MiMo-V2.5?
We do not have TTFT for both models.
Which has the larger context window?
Xiaomi: MiMo-V2.5 accepts 1.1M tokens versus 128k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. GPT-4o mini and Xiaomi: MiMo-V2.5 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All GPT-4o mini matchups →|All Xiaomi: MiMo-V2.5 matchups →
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