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GPT-4.1 Mini vs Hermes 3 405B Instruct

Detailed technical comparison between GPT-4.1 Mini (OpenAI) 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.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT-4.1 Mini: 0 WinsvsHermes 3 405B Instruct: 6 Wins
Context Leader

GPT-4.1 Mini

1,047,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GPT-4.1 Mini

$0.40 / MTok
OpenAIactive

GPT-4.1 Mini

GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost. It retains a 1 million token context window and scores 45.1% on hard...

View GPT-4.1 Mini Full Specs →
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 →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-4.1 MiniHermes 3 405B Instruct
ProviderOpenAINous Research
Context Window1,047,576 tokens🏆131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitybetastable
API AvailableYesYes
Released Date2025-04-142024-08-16

API Pricing Comparison

Input Price per Million Tokens

GPT-4.1 Mini

$0.40

Hermes 3 405B Instruct

$1.00

Output Price per Million Tokens

GPT-4.1 Mini

$1.60

Hermes 3 405B Instruct

$1.00

💡 Cost Ratio: GPT-4.1 Mini is 2.5x cheaper per input token than Hermes 3 405B Instruct.

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.

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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
74.6%vs78.8%+4.2% Hermes 3 405B Instruct
GPT-4.1 Mini
Hermes 3 405B Instruct 🏆
HumanEvalPython coding & logic synthesis
70.8%vs77.0%+6.2% Hermes 3 405B Instruct
GPT-4.1 Mini
Hermes 3 405B Instruct 🏆
MATHComplex mathematical problem solving
44.0%vs54.2%+10.2% Hermes 3 405B Instruct
GPT-4.1 Mini
Hermes 3 405B Instruct 🏆
GPQAGraduate-level expert reasoning
31.4%vs39.6%+8.2% Hermes 3 405B Instruct
GPT-4.1 Mini
Hermes 3 405B Instruct 🏆
HellaSwagCommonsense reasoning and inference
78.6%vs81.8%+3.2% Hermes 3 405B Instruct
GPT-4.1 Mini
Hermes 3 405B Instruct 🏆
MT-BenchMulti-turn conversation flow quality
8.1%vs8.4%+0.3% Hermes 3 405B Instruct
GPT-4.1 Mini
Hermes 3 405B Instruct 🏆

GPT-4.1 Mini Quirks & Gotchas

No developer gotchas reported.

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

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