Grok 3 Mini vs Hermes 3 70B

Compare Grok 3 Mini and Hermes 3 70B: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All xAI models All NousResearch models What is an LLM API? Python Quickstart What is inference?
Feature Grok 3 Mini Hermes 3 70B
CategoryCompactOpen Source
Parameters~70B70B
Context Window128K128K
Input Price$0.03/1M tokens$0.04/1M tokens
Output Price$0.08/1M tokens$0.06/1M tokens
Latency~200ms~300ms

Choose Grok 3 Mini when:

  • ✓ Fast queries
  • ✓ Temple chatbots
  • ✓ General Q&A
Key Strengths:

Cost-efficient, Good reasoning, Fast

Choose Hermes 3 70B when:

  • ✓ Agent frameworks
  • ✓ Tool use
  • ✓ Structured output
Key Strengths:

Strong function calling, Community-tuned, Good reasoning

Verdict: Grok 3 Mini vs Hermes 3 70B

For cost efficiency, Grok 3 Mini wins at $0.03/1M input tokens. For speed, Grok 3 Mini is faster at ~200ms. Grok 3 Mini excels at Fast queries while Hermes 3 70B is better for Agent frameworks. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Grok 3 Mini costs $0.03/1M input tokens and $0.08/1M output tokens. Hermes 3 70B costs $0.04 input and $0.06 output. Grok 3 Mini is 1.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Grok 3 Mini has a 128K context window with ~200ms latency. Hermes 3 70B offers 128K context at ~300ms. Both have identical context windows.

Best For

Grok 3 Mini (Compact) is optimized for: Fast queries, Temple chatbots, General Q&A. Hermes 3 70B (Open Source) works best for: Agent frameworks, Tool use, Structured output.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use Grok 3 Mini
response_a = client.chat.completions.create(
    model="grok-3-mini",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Hermes 3 70B
response_b = client.chat.completions.create(
    model="hermes-3-70b",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Grok 3 Mini or Hermes 3 70B?

Grok 3 Mini (Compact, ~70B) offers Cost-efficient. Hermes 3 70B (Open Source, 70B) offers Strong function calling. Choose Grok 3 Mini for Fast queries or Hermes 3 70B for Agent frameworks.

How much does Grok 3 Mini cost vs Hermes 3 70B?

Grok 3 Mini: $0.03/1M input, $0.08/1M output. Hermes 3 70B: $0.04/1M input, $0.06/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Grok 3 Mini and Hermes 3 70B by changing the model parameter. No code changes needed.

Related Comparisons

Grok 3 Mini vs GPT-4.1 Nano Grok 3 Mini vs GPT-4o Mini Grok 3 Mini vs Claude Haiku 3.5 Grok 3 Mini vs Gemma 3 27B Grok 3 Mini vs Gemma 3 12B Grok 3 Mini vs Gemma 3 4B

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.