Hermes 3 Llama 3.1 405b vs GPT-5.4
nousresearch/hermes-3-llama-3.1-405b · openai/gpt-5.4
As of October 31, 2026, Hermes 3 Llama 3.1 405b is the cheaper API on UberLLM: $0.5888 per million input tokens and $0.5888 per million output, versus $0.8125 / $4.87 for GPT-5.4, about 85% less when output is 3 tokens for every input token. These are the median prices buyers paid over the last 24 hours. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose Hermes 3 Llama 3.1 405b to cut cost; choose GPT-5.4 when context size wins. GPT-5.4 carries the larger context window (1,000,000 vs 128,000 tokens), which can matter for long-document work.
Hermes 3 Llama 3.1 405b vs GPT-5.4, side by side
| Spec | Hermes 3 Llama 3.1 405b | GPT-5.4 |
|---|---|---|
| Price · input / 1M | $0.5888 | $0.8125 |
| Price · output / 1M | $0.5888 | $4.87 |
| Context length | 128,000 | 1,000,000 |
| Max output tokens | 16,384 | 131,072 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | — | Yes |
| Vision (image input) | — | Yes |
| Reasoning | — | Yes |
| % off list | 41% off | 68% off |
Median prices buyers paid on UberLLM over the last 24 hours. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated October 31, 2026.
Hermes 3 Llama 3.1 405b vs GPT-5.4 — FAQ
Is Hermes 3 Llama 3.1 405b or GPT-5.4 cheaper?
Hermes 3 Llama 3.1 405b is cheaper on a blended token mix, by about 85%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Hermes 3 Llama 3.1 405b and GPT-5.4?
Hermes 3 Llama 3.1 405b: $0.5888 in / $0.5888 out per 1M tokens. GPT-5.4: $0.8125 in / $4.87 out per 1M tokens. That's roughly a 85% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Hermes 3 Llama 3.1 405b and GPT-5.4 with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.