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GPT Chat Latest vs Hermes 3 405B Instruct

Detailed technical comparison between GPT Chat Latest (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.

โšก Executive Summary & Verdict

Comparison Snapshot

GPT Chat Latest: 5 WinsvsHermes 3 405B Instruct: 1 Win
Context Leader

GPT Chat Latest

400,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Hermes 3 405B Instruct

$1.00 / MTok
OpenAIactive

GPT Chat Latest

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...

View GPT Chat Latest 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
SpecificationGPT Chat LatestHermes 3 405B Instruct
ProviderOpenAINous Research
Context Window400,000 tokens๐Ÿ†131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-05-052024-08-16

API Pricing Comparison

Input Price per Million Tokens

GPT Chat Latest

$5.00

Hermes 3 405B Instruct

$1.00

Output Price per Million Tokens

GPT Chat Latest

$30.00

Hermes 3 405B Instruct

$1.00

๐Ÿ’ก Cost Ratio: Hermes 3 405B Instruct is 5.0x cheaper per input token than GPT Chat Latest.

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% GPT Chat Latest
GPT Chat Latest ๐Ÿ†
Hermes 3 405B Instruct
HumanEvalPython coding & logic synthesis
79.0%vs77.0%+2.0% GPT Chat Latest
GPT Chat Latest ๐Ÿ†
Hermes 3 405B Instruct
MATHComplex mathematical problem solving
56.2%vs54.2%+2.0% GPT Chat Latest
GPT Chat Latest ๐Ÿ†
Hermes 3 405B Instruct
GPQAGraduate-level expert reasoning
41.6%vs39.6%+2.0% GPT Chat Latest
GPT Chat Latest ๐Ÿ†
Hermes 3 405B Instruct
HellaSwagCommonsense reasoning and inference
80.4%vs81.8%+1.4% Hermes 3 405B Instruct
GPT Chat Latest
Hermes 3 405B Instruct ๐Ÿ†
MT-BenchMulti-turn conversation flow quality
8.6%vs8.4%+0.2% GPT Chat Latest
GPT Chat Latest ๐Ÿ†
Hermes 3 405B Instruct

GPT Chat Latest Quirks & Gotchas

No developer gotchas reported.

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

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