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gpt-oss-safeguard-20b vs Hermes 3 405B Instruct

Detailed technical comparison between gpt-oss-safeguard-20b (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-oss-safeguard-20b: 5 WinsvsHermes 3 405B Instruct: 1 Win
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

gpt-oss-safeguard-20b

$0.07 / MTok
OpenAIactive

gpt-oss-safeguard-20b

gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust...

View gpt-oss-safeguard-20b 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-oss-safeguard-20bHermes 3 405B Instruct
ProviderOpenAINous Research
Context Window131,072 tokens131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-10-292024-08-16

API Pricing Comparison

Input Price per Million Tokens

gpt-oss-safeguard-20b

$0.07

Hermes 3 405B Instruct

$1.00

Output Price per Million Tokens

gpt-oss-safeguard-20b

$0.30

Hermes 3 405B Instruct

$1.00

๐Ÿ’ก Cost Ratio: gpt-oss-safeguard-20b is 13.3x 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.

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-oss-safeguard-20b
gpt-oss-safeguard-20b ๐Ÿ†
Hermes 3 405B Instruct
HumanEvalPython coding & logic synthesis
79.0%vs77.0%+2.0% gpt-oss-safeguard-20b
gpt-oss-safeguard-20b ๐Ÿ†
Hermes 3 405B Instruct
MATHComplex mathematical problem solving
56.2%vs54.2%+2.0% gpt-oss-safeguard-20b
gpt-oss-safeguard-20b ๐Ÿ†
Hermes 3 405B Instruct
GPQAGraduate-level expert reasoning
41.6%vs39.6%+2.0% gpt-oss-safeguard-20b
gpt-oss-safeguard-20b ๐Ÿ†
Hermes 3 405B Instruct
HellaSwagCommonsense reasoning and inference
80.4%vs81.8%+1.4% Hermes 3 405B Instruct
gpt-oss-safeguard-20b
Hermes 3 405B Instruct ๐Ÿ†
MT-BenchMulti-turn conversation flow quality
8.6%vs8.4%+0.2% gpt-oss-safeguard-20b
gpt-oss-safeguard-20b ๐Ÿ†
Hermes 3 405B Instruct

gpt-oss-safeguard-20b Quirks & Gotchas

No developer gotchas reported.

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

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