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Gemini 3.5 Flash vs Hermes 3 405B Instruct

Detailed technical comparison between Gemini 3.5 Flash (Google) 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

Gemini 3.5 Flash: 6 WinsvsHermes 3 405B Instruct: 0 Wins
Context Leader

Gemini 3.5 Flash

1,048,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Hermes 3 405B Instruct

$1.00 / MTok
Googleactive

Gemini 3.5 Flash

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...

View Gemini 3.5 Flash 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
SpecificationGemini 3.5 FlashHermes 3 405B Instruct
ProviderGoogleNous Research
Context Window1,048,576 tokens๐Ÿ†131,072 tokens
Agent Suitability88/100N/A
Time to First Token (TTFT)200 msN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-05-192024-08-16

API Pricing Comparison

Input Price per Million Tokens

Gemini 3.5 Flash

$1.50

Hermes 3 405B Instruct

$1.00

Output Price per Million Tokens

Gemini 3.5 Flash

$9.00

Hermes 3 405B Instruct

$1.00

๐Ÿ’ก Cost Ratio: Hermes 3 405B Instruct is 1.5x cheaper per input token than Gemini 3.5 Flash.

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
90.5%vs78.8%+11.7% Gemini 3.5 Flash
Gemini 3.5 Flash ๐Ÿ†
Hermes 3 405B Instruct
HumanEvalPython coding & logic synthesis
92.1%vs77.0%+15.1% Gemini 3.5 Flash
Gemini 3.5 Flash ๐Ÿ†
Hermes 3 405B Instruct
MATHComplex mathematical problem solving
85.0%vs54.2%+30.8% Gemini 3.5 Flash
Gemini 3.5 Flash ๐Ÿ†
Hermes 3 405B Instruct
GPQAGraduate-level expert reasoning
68.2%vs39.6%+28.6% Gemini 3.5 Flash
Gemini 3.5 Flash ๐Ÿ†
Hermes 3 405B Instruct
HellaSwagCommonsense reasoning and inference
97.8%vs81.8%+16.0% Gemini 3.5 Flash
Gemini 3.5 Flash ๐Ÿ†
Hermes 3 405B Instruct
MT-BenchMulti-turn conversation flow quality
9.2%vs8.4%+0.8% Gemini 3.5 Flash
Gemini 3.5 Flash ๐Ÿ†
Hermes 3 405B Instruct

Gemini 3.5 Flash Quirks & Gotchas

  • โ–ธExcellent multimodal performance โ€” native video understanding
  • โ–ธTool calling via Google's native function_declarations in Vertex AI

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

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