Compare/MiMo-V2-Flash (Reasoning) vs Step 3.5 Flash 2603

MiMo-V2-Flash (Reasoning)vsStep 3.5 Flash 2603

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
TTFT
StepFun

Step 3.5 Flash 2603

Input
$0.1/M
Output
$0.3/M
Speed
180 tok/s
TTFT
0.92s

Winner by Category

Cheaper
Tie
Faster (tok/s)
Step 3.5 Flash 2603
Lower Latency
MiMo-V2-Flash (Reasoning)
Benchmarks (7-3)
MiMo-V2-Flash (Reasoning)

Pricing Comparison

MetricMiMo-V2-Flash (Reasoning)Step 3.5 Flash 2603
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 2603$0.13

Speed Comparison

Output Speed (tokens/s) — higher is better
MiMo-V2-Flash (Reasoning)
Step 3.5 Flash 2603
180 tok/s
Time to First Token (seconds) — lower is better
MiMo-V2-Flash (Reasoning)
Step 3.5 Flash 2603
0.92s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
31.226.0
Coding Index
Math Index
96.3
GPQA Diamond
84.6%82.6%
MMLU-Pro
84.3%
LiveCodeBench
86.8%
AIME 2025
96.3%
MATH-500
Humanity's Last Exam
21.1%22.6%
SciCode
39.4%38.5%
IFBench
64.2%66.5%
TerminalBench
28.0%32.6%
MiMo-V2-Flash (Reasoning)7 wins
3 winsStep 3.5 Flash 2603

Frequently Asked Questions

Which is cheaper, MiMo-V2-Flash (Reasoning) or Step 3.5 Flash 2603?

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 7 out of 12 benchmarks compared to 3 for Step 3.5 Flash 2603. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Step 3.5 Flash 2603 generates tokens faster at 180 tok/s vs 0 tok/s. MiMo-V2-Flash (Reasoning) also has lower time-to-first-token (0.00s vs 0.92s).

When should I use MiMo-V2-Flash (Reasoning) vs Step 3.5 Flash 2603?

Choose based on your priorities: both are similarly priced, MiMo-V2-Flash (Reasoning) for stronger benchmark performance, and Step 3.5 Flash 2603 for faster generation. For latency-sensitive apps, check the TTFT comparison above.