Price Per TokenPrice Per Token
Minimax
Minimax
vs
S
Stepfun-ai

MiniMax M2.1 vs Step 3.5 Flash

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

MiniMax M2.1 wins:

  • Higher intelligence benchmark
  • Better at coding
  • Better at math

Step 3.5 Flash wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
  • Faster response time
Price Advantage
Step 3.5 Flash
Benchmark Advantage
MiniMax M2.1
Context Window
Step 3.5 Flash
Speed
Step 3.5 Flash

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureMiniMax M2.1Step 3.5 Flash
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyMiniMax M2.1Step 3.5 Flash
LicenseOpen SourceOpen Source
AuthorMinimaxStepfun-ai
ReleasedDec 2025Jan 2026

MiniMax M2.1 Modalities

Input
text
Output
text

Step 3.5 Flash Modalities

Input
text
Output
text

Related Comparisons

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Frequently Asked Questions

Step 3.5 Flash has cheaper input pricing at $0.10/M tokens. Step 3.5 Flash has cheaper output pricing at $0.30/M tokens.
MiniMax M2.1 scores higher on coding benchmarks with a score of 32.8, compared to Step 3.5 Flash's score of 31.6.
MiniMax M2.1 has a 196,608 token context window, while Step 3.5 Flash has a 256,000 token context window.
MiniMax M2.1 does not support vision. Step 3.5 Flash does not support vision.

Built by @aellman

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