Compare/MiMo-V2-Flash (Feb 2026) vs Step 3.5 Flash 2603

MiMo-V2-Flash (Feb 2026)vsStep 3.5 Flash 2603

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

Xiaomi

MiMo-V2-Flash (Feb 2026)

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 (Feb 2026)
Benchmarks (3-3)
Tie

Pricing Comparison

MetricMiMo-V2-Flash (Feb 2026)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 (Feb 2026)$0.13
Step 3.5 Flash 2603$0.13

Speed Comparison

Output Speed (tokens/s) — higher is better
MiMo-V2-Flash (Feb 2026)
Step 3.5 Flash 2603
180 tok/s
Time to First Token (seconds) — lower is better
MiMo-V2-Flash (Feb 2026)
Step 3.5 Flash 2603
0.92s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
33.226.0
Coding Index
Math Index
GPQA Diamond
83.5%82.6%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
20.0%22.6%
SciCode
38.3%38.5%
IFBench
71.8%66.5%
TerminalBench
31.1%32.6%
MiMo-V2-Flash (Feb 2026)3 wins
3 winsStep 3.5 Flash 2603

Frequently Asked Questions

Which is cheaper, MiMo-V2-Flash (Feb 2026) 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?

It's a tie — both models win 3 benchmarks each across 12 evaluated categories. 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 (Feb 2026) also has lower time-to-first-token (0.00s vs 0.92s).

When should I use MiMo-V2-Flash (Feb 2026) vs Step 3.5 Flash 2603?

Choose based on your priorities: both are similarly priced, both perform similarly on benchmarks, and Step 3.5 Flash 2603 for faster generation. For latency-sensitive apps, check the TTFT comparison above.