GPT-4o vs Hermes 3 405B Instruct
Detailed technical comparison between GPT-4o (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.
Comparison Snapshot
Hermes 3 405B Instruct
131,072 tokensTie
Equal CapabilityTie
Equal SpeedHermes 3 405B Instruct
$1.00 / MTokGPT-4o
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
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...
Technical Specifications
🏆 = Superior Spec| Specification | GPT-4o | Hermes 3 405B Instruct |
|---|---|---|
| Provider | OpenAI | Nous Research |
| Context Window | 128,000 tokens | 131,072 tokens🏆 |
| Agent Suitability | 90/100 | N/A |
| Time to First Token (TTFT) | 280 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2024-05-13 | 2024-08-16 |
API Pricing Comparison
Input Price per Million Tokens
GPT-4o
$2.50
Hermes 3 405B Instruct
$1.00
Output Price per Million Tokens
GPT-4o
$10.00
Hermes 3 405B Instruct
$1.00
💡 Cost Ratio: Hermes 3 405B Instruct is 2.5x cheaper per input token than GPT-4o.
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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.
GPT-4o Quirks & Gotchas
- ▸Strong multimodal performance — best vision+tool calling combo
- ▸Legacy model — migrate to GPT-5 for latest improvements
Hermes 3 405B Instruct Quirks & Gotchas
No developer gotchas reported.
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