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Grok 4.20 Multi-Agent vs Hermes 3 405B Instruct

Detailed technical comparison between Grok 4.20 Multi-Agent (xAI) and Hermes 3 405B Instruct (Nous Research). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

โšก Executive Summary & Verdict

Comparison Snapshot

Grok 4.20 Multi-Agent: 5 WinsvsHermes 3 405B Instruct: 1 Win
Context Leader

Grok 4.20 Multi-Agent

2,000,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Hermes 3 405B Instruct

$1.00 / MTok
xAIactive

Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a variant of xAIโ€™s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

View Grok 4.20 Multi-Agent Full Specs โ†’
Nous Researchactive

Hermes 3 405B Instruct

Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the...

View Hermes 3 405B Instruct Full Specs โ†’

Technical Specifications

๐Ÿ† = Superior Spec
SpecificationGrok 4.20 Multi-AgentHermes 3 405B Instruct
ProviderxAINous Research
Context Window2,000,000 tokens๐Ÿ†131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-03-312024-08-16

API Pricing Comparison

Input Price per Million Tokens

Grok 4.20 Multi-Agent

$1.25

Hermes 3 405B Instruct

$1.00

Output Price per Million Tokens

Grok 4.20 Multi-Agent

$2.50

Hermes 3 405B Instruct

$1.00

๐Ÿ’ก Cost Ratio: Hermes 3 405B Instruct is 1.3x cheaper per input token than Grok 4.20 Multi-Agent.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0โ€“100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
80.8%vs78.8%+2.0% Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent ๐Ÿ†
Hermes 3 405B Instruct
HumanEvalPython coding & logic synthesis
79.0%vs77.0%+2.0% Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent ๐Ÿ†
Hermes 3 405B Instruct
MATHComplex mathematical problem solving
56.2%vs54.2%+2.0% Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent ๐Ÿ†
Hermes 3 405B Instruct
GPQAGraduate-level expert reasoning
41.6%vs39.6%+2.0% Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent ๐Ÿ†
Hermes 3 405B Instruct
HellaSwagCommonsense reasoning and inference
80.4%vs81.8%+1.4% Hermes 3 405B Instruct
Grok 4.20 Multi-Agent
Hermes 3 405B Instruct ๐Ÿ†
MT-BenchMulti-turn conversation flow quality
8.6%vs8.4%+0.2% Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent ๐Ÿ†
Hermes 3 405B Instruct

Grok 4.20 Multi-Agent Quirks & Gotchas

No developer gotchas reported.

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

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