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Hermes 3 405B Instruct vs o4 Mini Deep Research

Detailed technical comparison between Hermes 3 405B Instruct (Nous Research) and o4 Mini Deep Research (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚑ Executive Summary & Verdict

Comparison Snapshot

Hermes 3 405B Instruct: 6 Winsvso4 Mini Deep Research: 0 Wins
Context Leader

o4 Mini Deep Research

200,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Hermes 3 405B Instruct

$1.00 / MTok
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 β†’
OpenAIactive

o4 Mini Deep Research

o4-mini-deep-research is OpenAI's faster, more affordable deep research modelβ€”ideal for tackling complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

View o4 Mini Deep Research Full Specs β†’

Technical Specifications

πŸ† = Superior Spec
SpecificationHermes 3 405B Instructo4 Mini Deep Research
ProviderNous ResearchOpenAI
Context Window131,072 tokens200,000 tokensπŸ†
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelself hostablemanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2024-08-162025-10-10

API Pricing Comparison

Input Price per Million Tokens

Hermes 3 405B Instruct

$1.00

o4 Mini Deep Research

$2.00

Output Price per Million Tokens

Hermes 3 405B Instruct

$1.00

o4 Mini Deep Research

$8.00

πŸ’‘ Cost Ratio: Hermes 3 405B Instruct is 2.0x cheaper per input token than o4 Mini Deep Research.

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 (0–100%)

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

MMLUGeneral knowledge & multi-task understanding
78.8%vs75.4%+3.4% Hermes 3 405B Instruct
Hermes 3 405B Instruct πŸ†
o4 Mini Deep Research
HumanEvalPython coding & logic synthesis
77.0%vs71.6%+5.4% Hermes 3 405B Instruct
Hermes 3 405B Instruct πŸ†
o4 Mini Deep Research
MATHComplex mathematical problem solving
54.2%vs41.4%+12.8% Hermes 3 405B Instruct
Hermes 3 405B Instruct πŸ†
o4 Mini Deep Research
GPQAGraduate-level expert reasoning
39.6%vs28.8%+10.8% Hermes 3 405B Instruct
Hermes 3 405B Instruct πŸ†
o4 Mini Deep Research
HellaSwagCommonsense reasoning and inference
81.8%vs76.0%+5.8% Hermes 3 405B Instruct
Hermes 3 405B Instruct πŸ†
o4 Mini Deep Research
MT-BenchMulti-turn conversation flow quality
8.4%vs7.9%+0.6% Hermes 3 405B Instruct
Hermes 3 405B Instruct πŸ†
o4 Mini Deep Research

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

o4 Mini Deep Research Quirks & Gotchas

No developer gotchas reported.

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