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Hermes 3 405B Instruct vs Mistral Medium 3.1

Detailed technical comparison between Hermes 3 405B Instruct (Nous Research) and Mistral Medium 3.1 (Mistral). 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: 0 WinsvsMistral Medium 3.1: 6 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Mistral Medium 3.1

$0.40 / 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 →
Mistralactive

Mistral Medium 3.1

Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...

View Mistral Medium 3.1 Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationHermes 3 405B InstructMistral Medium 3.1
ProviderNous ResearchMistral
Context Window131,072 tokens131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelself hostableself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2024-08-162025-08-13

API Pricing Comparison

Input Price per Million Tokens

Hermes 3 405B Instruct

$1.00

Mistral Medium 3.1

$0.40

Output Price per Million Tokens

Hermes 3 405B Instruct

$1.00

Mistral Medium 3.1

$2.00

💡 Cost Ratio: Mistral Medium 3.1 is 2.5x cheaper per input token than Hermes 3 405B Instruct.

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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
78.8%vs80.2%+1.4% Mistral Medium 3.1
Hermes 3 405B Instruct
Mistral Medium 3.1 🏆
HumanEvalPython coding & logic synthesis
77.0%vs78.4%+1.4% Mistral Medium 3.1
Hermes 3 405B Instruct
Mistral Medium 3.1 🏆
MATHComplex mathematical problem solving
54.2%vs55.6%+1.4% Mistral Medium 3.1
Hermes 3 405B Instruct
Mistral Medium 3.1 🏆
GPQAGraduate-level expert reasoning
39.6%vs41.0%+1.4% Mistral Medium 3.1
Hermes 3 405B Instruct
Mistral Medium 3.1 🏆
HellaSwagCommonsense reasoning and inference
81.8%vs83.2%+1.4% Mistral Medium 3.1
Hermes 3 405B Instruct
Mistral Medium 3.1 🏆
MT-BenchMulti-turn conversation flow quality
8.4%vs8.6%+0.1% Mistral Medium 3.1
Hermes 3 405B Instruct
Mistral Medium 3.1 🏆

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

Mistral Medium 3.1 Quirks & Gotchas

No developer gotchas reported.

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