Hermes 3 405B Instruct vs o4 Mini
Detailed technical comparison between Hermes 3 405B Instruct (Nous Research) and o4 Mini (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
o4 Mini
200,000 tokensTie
Equal CapabilityTie
Equal SpeedHermes 3 405B Instruct
$1.00 / MTokHermes 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...
o4 Mini
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...
Technical Specifications
🏆 = Superior Spec| Specification | Hermes 3 405B Instruct | o4 Mini |
|---|---|---|
| Provider | Nous Research | OpenAI |
| Context Window | 131,072 tokens | 200,000 tokens🏆 |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | self hostable | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2024-08-16 | 2025-04-16 |
API Pricing Comparison
Input Price per Million Tokens
Hermes 3 405B Instruct
$1.00
o4 Mini
$1.10
Output Price per Million Tokens
Hermes 3 405B Instruct
$1.00
o4 Mini
$4.40
💡 Cost Ratio: Hermes 3 405B Instruct is 1.1x cheaper per input token than o4 Mini.
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 (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Hermes 3 405B Instruct Quirks & Gotchas
No developer gotchas reported.
o4 Mini Quirks & Gotchas
No developer gotchas reported.
Explore Other Popular Comparisons
Hermes 3 405B Instruct vs Nano Banana 2 (Gemini 3.1 Flash Image)
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWHermes 3 405B Instruct vs GLM 4.7 Flash
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWHermes 3 405B Instruct vs GLM 5.2
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWHermes 3 405B Instruct vs Nemotron 3 Ultra
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWHermes 3 405B Instruct vs GPT-5.2-Codex
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWHermes 3 405B Instruct vs DeepSeek V3.1
Compare context windows, live API token prices, and benchmark scores.