feat: add NovitaAI as LLM provider

Add NovitaAI as a first-class provider with dedicated model selection
flow, live pricing, and authoritative context length resolution.

- Register provider in PROVIDER_REGISTRY, HERMES_OVERLAYS, and all
  alias/label maps (ID: novita, aliases: novita-ai, novitaai)
- Add dedicated _model_flow_novita() with 3-tier model list fallback:
  Novita API → models.dev → static curated list
- Fetch live pricing from /v1/models with correct unit conversion
  (input_token_price_per_m is 0.0001 USD per Mtok)
- Add Novita-specific context length resolution (step 4b) in
  get_model_context_length(), prioritized over models.dev/OpenRouter
- Register api.novita.ai in _URL_TO_PROVIDER to prevent early return
  from the custom-endpoint code path
- Add models.dev mapping (novita → novita-ai)
- Add default auxiliary model (deepseek/deepseek-v3-0324)
- Add NOVITA_API_KEY to test isolation (conftest.py)
- Update docs: providers page, env vars reference, CLI reference,
  .env.example, README, and landing page
This commit is contained in:
Alex-wuhu 2026-04-10 22:22:47 +08:00 committed by kshitij
parent 55ba02befb
commit c76e879574
12 changed files with 192 additions and 7 deletions

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@ -20,6 +20,7 @@ You need at least one way to connect to an LLM. Use `hermes model` to switch pro
| **GitHub Copilot ACP** | `hermes model` (spawns local `copilot --acp --stdio`) |
| **Anthropic** | `hermes model` (Claude Max + extra usage credits via OAuth; also supports Anthropic API key or manual setup-token — see note below) |
| **OpenRouter** | `OPENROUTER_API_KEY` in `~/.hermes/.env` |
| **NovitaAI** | `NOVITA_API_KEY` in `~/.hermes/.env` (provider: `novita`, multi-model aggregator) |
| **AI Gateway** | `AI_GATEWAY_API_KEY` in `~/.hermes/.env` (provider: `ai-gateway`) |
| **z.ai / GLM** | `GLM_API_KEY` in `~/.hermes/.env` (provider: `zai`) |
| **Kimi / Moonshot** | `KIMI_API_KEY` in `~/.hermes/.env` (provider: `kimi-coding`) |
@ -546,6 +547,29 @@ You can append routing suffixes to model names: `:fastest` (default), `:cheapest
The base URL can be overridden with `HF_BASE_URL`.
### NovitaAI
[NovitaAI](https://novita.ai) is a multi-model aggregator with pay-per-use pricing. Access models from DeepSeek, Kimi, MiniMax, GLM, Qwen, and more through a unified OpenAI-compatible API.
```bash
# Use any available model
hermes chat --provider novita --model moonshotai/kimi-k2.5
# Requires: NOVITA_API_KEY in ~/.hermes/.env
# Short alias
hermes chat --provider novita-ai --model deepseek/deepseek-v3-0324
```
Or set it permanently in `config.yaml`:
```yaml
model:
provider: "novita"
default: "moonshotai/kimi-k2.5"
base_url: "https://api.novita.ai/openai/v1"
```
Get your API key at [novita.ai/settings/key-management](https://novita.ai/settings/key-management). The base URL can be overridden with `NOVITA_BASE_URL`.
## Custom & Self-Hosted LLM Providers
Hermes Agent works with **any OpenAI-compatible API endpoint**. If a server implements `/v1/chat/completions`, you can point Hermes at it. This means you can use local models, GPU inference servers, multi-provider routers, or any third-party API.

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@ -91,7 +91,7 @@ Common options:
| `-q`, `--query "..."` | One-shot, non-interactive prompt. |
| `-m`, `--model <model>` | Override the model for this run. |
| `-t`, `--toolsets <csv>` | Enable a comma-separated set of toolsets. |
| `--provider <provider>` | Force a provider: `auto`, `openrouter`, `nous`, `openai-codex`, `copilot-acp`, `copilot`, `anthropic`, `gemini`, `google-gemini-cli`, `huggingface`, `zai`, `kimi-coding`, `kimi-coding-cn`, `minimax`, `minimax-cn`, `minimax-oauth`, `kilocode`, `xiaomi`, `arcee`, `gmi`, `alibaba`, `alibaba-coding-plan` (alias `alibaba_coding`), `deepseek`, `nvidia`, `ollama-cloud`, `xai` (alias `grok`), `qwen-oauth`, `bedrock`, `opencode-zen`, `opencode-go`, `ai-gateway`, `azure-foundry`, `lmstudio`, `stepfun`, `tencent-tokenhub` (alias `tencent`, `tokenhub`). |
| `--provider <provider>` | Force a provider: `auto`, `openrouter`, `nous`, `openai-codex`, `copilot-acp`, `copilot`, `anthropic`, `gemini`, `google-gemini-cli`, `huggingface`, `novita`, `zai`, `kimi-coding`, `kimi-coding-cn`, `minimax`, `minimax-cn`, `minimax-oauth`, `kilocode`, `xiaomi`, `arcee`, `gmi`, `alibaba`, `alibaba-coding-plan` (alias `alibaba_coding`), `deepseek`, `nvidia`, `ollama-cloud`, `xai` (alias `grok`), `qwen-oauth`, `bedrock`, `opencode-zen`, `opencode-go`, `ai-gateway`, `azure-foundry`, `lmstudio`, `stepfun`, `tencent-tokenhub` (alias `tencent`, `tokenhub`). |
| `-s`, `--skills <name>` | Preload one or more skills for the session (can be repeated or comma-separated). |
| `-v`, `--verbose` | Verbose output. |
| `-Q`, `--quiet` | Programmatic mode: suppress banner/spinner/tool previews. |

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@ -67,6 +67,8 @@ All variables go in `~/.hermes/.env`. You can also set them with `hermes config
| `DASHSCOPE_BASE_URL` | Custom DashScope base URL (default: `https://dashscope-intl.aliyuncs.com/compatible-mode/v1`; use `https://dashscope.aliyuncs.com/compatible-mode/v1` for mainland-China region) |
| `DEEPSEEK_API_KEY` | DeepSeek API key for direct DeepSeek access ([platform.deepseek.com](https://platform.deepseek.com/api_keys)) |
| `DEEPSEEK_BASE_URL` | Custom DeepSeek API base URL |
| `NOVITA_API_KEY` | NovitaAI API key — multi-model aggregator ([novita.ai/settings/key-management](https://novita.ai/settings/key-management)) |
| `NOVITA_BASE_URL` | Override NovitaAI base URL (default: `https://api.novita.ai/openai/v1`) |
| `NVIDIA_API_KEY` | NVIDIA NIM API key — Nemotron and open models ([build.nvidia.com](https://build.nvidia.com)) |
| `NVIDIA_BASE_URL` | Override NVIDIA base URL (default: `https://integrate.api.nvidia.com/v1`; set to `http://localhost:8000/v1` for a local NIM endpoint) |
| `STEPFUN_API_KEY` | StepFun API key — Step-series models ([platform.stepfun.com](https://platform.stepfun.com)) |
@ -103,7 +105,7 @@ For native Anthropic auth, Hermes prefers Claude Code's own credential files whe
| Variable | Description |
|----------|-------------|
| `HERMES_INFERENCE_PROVIDER` | Override provider selection: `auto`, `custom`, `openrouter`, `nous`, `openai-codex`, `copilot`, `copilot-acp`, `anthropic`, `huggingface`, `gemini`, `zai`, `kimi-coding`, `kimi-coding-cn`, `minimax`, `minimax-cn`, `minimax-oauth` (browser OAuth login — no API key required; see [MiniMax OAuth guide](../guides/minimax-oauth.md)), `kilocode`, `xiaomi`, `arcee`, `gmi`, `stepfun`, `alibaba`, `alibaba-coding-plan` (alias `alibaba_coding`), `deepseek`, `nvidia`, `ollama-cloud`, `xai` (alias `grok`), `google-gemini-cli`, `qwen-oauth`, `bedrock`, `opencode-zen`, `opencode-go`, `ai-gateway`, `tencent-tokenhub` (default: `auto`) |
| `HERMES_INFERENCE_PROVIDER` | Override provider selection: `auto`, `custom`, `openrouter`, `nous`, `openai-codex`, `copilot`, `copilot-acp`, `anthropic`, `huggingface`, `novita`, `gemini`, `zai`, `kimi-coding`, `kimi-coding-cn`, `minimax`, `minimax-cn`, `minimax-oauth` (browser OAuth login — no API key required; see [MiniMax OAuth guide](../guides/minimax-oauth.md)), `kilocode`, `xiaomi`, `arcee`, `gmi`, `stepfun`, `alibaba`, `alibaba-coding-plan` (alias `alibaba_coding`), `deepseek`, `nvidia`, `ollama-cloud`, `xai` (alias `grok`), `google-gemini-cli`, `qwen-oauth`, `bedrock`, `opencode-zen`, `opencode-go`, `ai-gateway`, `tencent-tokenhub` (default: `auto`) |
| `HERMES_PORTAL_BASE_URL` | Override Nous Portal URL (for development/testing) |
| `NOUS_INFERENCE_BASE_URL` | Override Nous inference API URL |
| `HERMES_NOUS_MIN_KEY_TTL_SECONDS` | Min agent key TTL before re-mint (default: 1800 = 30min) |