Add Novita as a model gateway backend - #102
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Novita hosts open-weight models behind its own OpenAI-compatible endpoint (api.novita.ai/openai), reached with a single NOVITA_API_KEY. Model ids are already author/slug (deepseek/deepseek-r1), the same shape OpenRouter uses, so no special-casing is needed in vendor(). Follows the existing openrouter/openai/ollama backends: a thin subclass of OpenAICompatChatModel, credentials resolved through the same env/.env lookup in config.py, and a new branch in the registry's get_model(). Like OpenAI, Novita reports no per-call cost, so calls are counted as unpriced unless a rate card is supplied.
The models listed for Novita were older ids that no longer reflect what the platform leads with. Point the recommendations at the three current flagships instead, each verified against api.novita.ai: moonshotai/kimi-k3 1M context, native vision zai-org/glm-5.2 1M context, long-horizon agentic work deepseek/deepseek-v4-flash-0731 1M context, cheapest of the three Context windows, output limits, input modalities and pricing were taken from the live /openai/v1/models response rather than carried over.
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Summary
novitaas a fifth OpenAI-wire backend, resolved through a newgrapharc/gateway/novita.py(NovitaChatModel, subclass ofOpenAICompatChatModel, same shape asopenrouter.py/ollama.py).https://api.novita.ai/openai) with a singleNOVITA_API_KEY, resolved through the existing env/.env credential lookup inconfig.py.novitainregistry.py's backend list andgateway/__init__.py's lazy-load mapping, and add anovitaextra topyproject.toml(langchain-openai, already a repo dependency — no new package).novitaintocli/probe.pyandcli/main.pysographarc models/grapharc models --checklist and probe it like the other backends.moonshotai/kimi-k3,zai-org/glm-5.2,deepseek/deepseek-v4-flash-0731) indocs/cookbook/02-models.md, each verified againstapi.novita.ai's live/openai/v1/modelsresponse.Model ids on Novita are already
author/slug(e.g.deepseek/deepseek-r1), the same shape OpenRouter uses, sovendor()needs no Novita-specific handling. Like OpenAI, Novita's chat-completions response carries no per-call cost, so calls are counted as unpriced (SpendMeter.unpriced_calls) unless a caller suppliesprice_per_million=.Testing
uv run pytest tests/test_gateway_novita.py tests/test_cli.py tests/test_cookbook_models.py tests/test_gateway_openai_ollama.py tests/test_gateway_openrouter.py— 263 passed, 10 deselected.uv run pytest(full suite) — 1986 passed, 13 skipped, 13 deselected. One pre-existing failure unrelated to this change:tests/test_cookbook_agents.py::test_snippet_runs_as_printed[02-confinement.py](/etc/passwdpath normalization in the sandbox), reproduced on the unmodified base tree.uv run ruff check grapharc tests— clean.