Compare/K2 Think V2 vs MiMo-V2.5-Pro

K2 Think V2vsMiMo-V2.5-Pro

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

MBZUAI Institute of Foundation Models

K2 Think V2

Input
Output
Speed
TTFT
Xiaomi

MiMo-V2.5-Pro

Input
$0.43/M
Output
$0.87/M
Speed
59 tok/s
TTFT
3.18s

Winner by Category

Cheaper
MiMo-V2.5-Pro
Faster (tok/s)
MiMo-V2.5-Pro
Lower Latency
MiMo-V2.5-Pro
Benchmarks (0-2)
MiMo-V2.5-Pro

Pricing Comparison

MetricK2 Think V2MiMo-V2.5-Pro
Input ($/M tokens)$0.43
Output ($/M tokens)$0.87
Cost for 1M input + 100K output tokens:
MiMo-V2.5-Pro$0.52

Speed Comparison

Output Speed (tokens/s) — higher is better
K2 Think V2
MiMo-V2.5-Pro
59 tok/s
Time to First Token (seconds) — lower is better
K2 Think V2
MiMo-V2.5-Pro
3.18s

Editorial Analysis

Verdict. MiMo-V2.5-Pro takes the aggregate benchmark matchup 2–0 across 2 categories. Real workloads usually care about a handful of specific tasks — see the per-benchmark table above.

Pricing. Pricing varies significantly between these models — check the table above for the exact per-token rates. Many production workloads actually surface input-token cost (retrieval-augmented prompts, code-context windows), so factor both directions.

Strengths. K2 Think V2 is strongest on Coding Index (21.0), Intelligence Index (17.4). MiMo-V2.5-Pro leads on Coding Index (60.2), Intelligence Index (42.9).

Speed. Speed data is incomplete for this pair; benchmark and price should decide.

Provider. MBZUAI Institute of Foundation Models and Xiaomi sell to overlapping but distinct developer audiences: MBZUAI Institute of Foundation Models tends to ship frontier reasoning models with premium positioning, while Xiaomi often prices more aggressively. Your existing vendor relationships, billing, and SLA preferences may matter as much as the raw numbers above.

Recommendation. Both models have legitimate use cases — the right answer depends on whether you are optimizing for benchmark ceiling, latency, or unit cost. Start with the cheaper / faster model, evaluate against your specific task, and only switch if the upgrade shows a meaningful lift.

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
17.442.9
Coding Index
21.060.2
Math Index
GPQA Diamond
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
SciCode
IFBench
TerminalBench
K2 Think V20 wins
2 winsMiMo-V2.5-Pro

Frequently Asked Questions

Which is cheaper, K2 Think V2 or MiMo-V2.5-Pro?

MiMo-V2.5-Pro is cheaper overall. Its blended price (3:1 input/output ratio) is $0.54/M tokens vs $—/M for K2 Think V2.

Which model performs better on benchmarks?

MiMo-V2.5-Pro wins 2 out of 12 benchmarks compared to 0 for K2 Think V2. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

MiMo-V2.5-Pro generates tokens faster at 59 tok/s vs — tok/s. However, MiMo-V2.5-Pro has lower time-to-first-token (3.18s vs —s).

When should I use K2 Think V2 vs MiMo-V2.5-Pro?

Choose based on your priorities: MiMo-V2.5-Pro for lower cost, MiMo-V2.5-Pro for stronger benchmark performance, and MiMo-V2.5-Pro for faster generation. For latency-sensitive apps, check the TTFT comparison above.