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xAI: Grok 3 vs Nous: Hermes 4 405B

Head-to-head API cost, context, and performance comparison. Synced at 2:37:02 PM.

Executive Summary

When evaluating xAI: Grok 3 against Nous: Hermes 4 405B, the pricing structure is a key differentiator. Nous: Hermes 4 405B is approximately 78% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, Nous: Hermes 4 405B leads with a statistical ELO score of 1485. For tasks involving complex logic, coding, or instruction-following, developers might prefer Nous: Hermes 4 405B, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
xAI: Grok 3
Nous: Hermes 4 405B
Performance (ELO)
1485
1485
Input Cost / 1M
$3.00
$1.00
Output Cost / 1M
$15.00
$3.00
Context Window
131,072 tokens
131,072 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, Nous: Hermes 4 405B wins out aggressively in pricing.

People Also Ask

Is xAI: Grok 3 cheaper than Nous: Hermes 4 405B?

No. Nous: Hermes 4 405B is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

Both models offer an identical context window of 131,072 tokens.

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