Gemini 3.1 Pro Preview vs Hermes 3 405B Instruct
Detailed technical comparison between Gemini 3.1 Pro Preview (Google) 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
Gemini 3.1 Pro Preview
1,048,576 tokensTie
Equal CapabilityTie
Equal SpeedHermes 3 405B Instruct
$1.00 / MTokGemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
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 | Gemini 3.1 Pro Preview | Hermes 3 405B Instruct |
|---|---|---|
| Provider | Nous Research | |
| Context Window | 1,048,576 tokens🏆 | 131,072 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-02-19 | 2024-08-16 |
API Pricing Comparison
Input Price per Million Tokens
Gemini 3.1 Pro Preview
$2.00
Hermes 3 405B Instruct
$1.00
Output Price per Million Tokens
Gemini 3.1 Pro Preview
$12.00
Hermes 3 405B Instruct
$1.00
💡 Cost Ratio: Hermes 3 405B Instruct is 2.0x cheaper per input token than Gemini 3.1 Pro Preview.
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.
Gemini 3.1 Pro Preview Quirks & Gotchas
No developer gotchas reported.
Hermes 3 405B Instruct Quirks & Gotchas
No developer gotchas reported.
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