Compare/MiMo-V2-Flash (Reasoning) vs Step 3.5 Flash

MiMo-V2-Flash (Reasoning)vsStep 3.5 Flash

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

Xiaomi

MiMo-V2-Flash (Reasoning)

Input
$0.1/M
Output
$0.3/M
Speed
128 tok/s
TTFT
1.49s
StepFun

Step 3.5 Flash

Input
$0.1/M
Output
$0.3/M
Speed
93 tok/s
TTFT
3.48s

Winner by Category

Cheaper
Tie
Faster (tok/s)
MiMo-V2-Flash (Reasoning)
Lower Latency
MiMo-V2-Flash (Reasoning)
Benchmarks (9-2)
MiMo-V2-Flash (Reasoning)

Pricing Comparison

MetricMiMo-V2-Flash (Reasoning)Step 3.5 Flash
Input ($/M tokens)$0.1$0.1
Output ($/M tokens)$0.3$0.3
Cost for 1M input + 100K output tokens:
MiMo-V2-Flash (Reasoning)$0.13
Step 3.5 Flash$0.13

Speed Comparison

Output Speed (tokens/s) — higher is better
MiMo-V2-Flash (Reasoning)
128 tok/s
Step 3.5 Flash
93 tok/s
Time to First Token (seconds) — lower is better
MiMo-V2-Flash (Reasoning)
1.49s
Step 3.5 Flash
3.48s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
39.237.8
Coding Index
31.831.6
Math Index
96.3
GPQA Diamond
84.6%83.1%
MMLU-Pro
84.3%
LiveCodeBench
86.8%
AIME 2025
96.3%
MATH-500
Humanity's Last Exam
21.1%19.1%
SciCode
39.4%40.4%
IFBench
64.2%64.6%
TerminalBench
28.0%27.3%
MiMo-V2-Flash (Reasoning)9 wins
2 winsStep 3.5 Flash

Frequently Asked Questions

Which is cheaper, MiMo-V2-Flash (Reasoning) or Step 3.5 Flash?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

MiMo-V2-Flash (Reasoning) wins 9 out of 12 benchmarks compared to 2 for Step 3.5 Flash. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

MiMo-V2-Flash (Reasoning) generates tokens faster at 128 tok/s vs 93 tok/s. MiMo-V2-Flash (Reasoning) also has lower time-to-first-token (1.49s vs 3.48s).

When should I use MiMo-V2-Flash (Reasoning) vs Step 3.5 Flash?

Choose based on your priorities: both are similarly priced, MiMo-V2-Flash (Reasoning) for stronger benchmark performance, and MiMo-V2-Flash (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.