Price Per TokenPrice Per Token
Nousresearch
Nousresearch
vs
Stepfun-ai

Hermes 4 70B vs Step 3.5 Flash

A detailed comparison of pricing, benchmarks, and capabilities

Get our weekly newsletter on pricing changes, new releases, and tools.

Join the Price Per Token Community

Key Takeaways

Hermes 4 70B wins:

  • Better at math

Step 3.5 Flash wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
Price Advantage
Step 3.5 Flash
Benchmark Advantage
Step 3.5 Flash
Context Window
Step 3.5 Flash
Speed
Step 3.5 Flash

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureHermes 4 70BStep 3.5 Flash
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyHermes 4 70BStep 3.5 Flash
LicenseOpen SourceOpen Source
AuthorNousresearchStepfun-ai
ReleasedAug 2025Jan 2026

Hermes 4 70B Modalities

Input
text
Output
text

Step 3.5 Flash Modalities

Input
text
Output
text

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.
Step 3.5 Flash scores higher on coding benchmarks with a score of 31.6, compared to Hermes 4 70B's score of 9.2.
Hermes 4 70B has a 131,072 token context window, while Step 3.5 Flash has a 256,000 token context window.
Hermes 4 70B does not support vision. Step 3.5 Flash does not support vision.