{"record":{"id":"797d8580f5907102","repo":"Mintplex-Labs/anything-llm","slug":"localai-chat-this-model-is-not-valid-for-chat","errorCode":null,"errorMessage":"LocalAI chat: ${this.model} is not valid for chat completion!","messagePattern":"LocalAI chat: (.+?) is not valid for chat completion!","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"server/utils/AiProviders/localAi/index.js","lineNumber":210,"sourceCode":"    attachments = [],\n  }) {\n    const prompt = {\n      role: \"system\",\n      content: `${systemPrompt}${this.#appendContext(contextTexts)}`,\n    };\n    return [\n      prompt,\n      ...formatChatHistory(chatHistory, this.#generateContent),\n      {\n        role: \"user\",\n        content: this.#generateContent({ userPrompt, attachments }),\n      },\n    ];\n  }\n\n  async getChatCompletion(messages = null, { temperature = 0.7 }) {\n    if (!(await this.isValidChatCompletionModel(this.model)))\n      throw new Error(\n        `LocalAI chat: ${this.model} is not valid for chat completion!`\n      );\n\n    const result = await LLMPerformanceMonitor.measureAsyncFunction(\n      this.openai.chat.completions.create({\n        model: this.model,\n        messages,\n        temperature,\n      })\n    );\n\n    if (\n      !result.output.hasOwnProperty(\"choices\") ||\n      result.output.choices.length === 0\n    )\n      return null;\n\n    const promptTokens = LLMPerformanceMonitor.countTokens(messages);","sourceCodeStart":192,"sourceCodeEnd":228,"githubUrl":"https://github.com/Mintplex-Labs/anything-llm/blob/20f6d3546c1938bfea1ad304f58a592dddcc5948/server/utils/AiProviders/localAi/index.js#L192-L228","documentation":"Defensive guard at the top of LocalAiLLM.getChatCompletion(): it awaits isValidChatCompletionModel(this.model) and throws if the check fails. In the current implementation isValidChatCompletionModel always returns true, so this exact error is effectively unreachable unless the method is overridden by a subclass or a modified/older version of the provider is deployed.","triggerScenarios":"Calling getChatCompletion when isValidChatCompletionModel has been overridden (custom fork or plugin) and returns false for this.model; or running a variant of localAi/index.js whose validator actually queries the LocalAI /v1/models endpoint while LOCAL_AI_MODEL_PREF names a model the instance does not serve.","commonSituations":"Custom provider subclasses that add real model validation; pointing LOCAL_AI_BASE_PATH at a rebuilt LocalAI container that no longer hosts the configured model; local modifications to server/utils/AiProviders/localAi/index.js.","solutions":["Confirm the model id matches one served by the instance: curl $LOCAL_AI_BASE_PATH/v1/models","Re-select the model in the AnythingLLM UI so the stored id matches what LocalAI currently serves","If you subclass or fork LocalAiLLM, review your isValidChatCompletionModel override against the live /v1/models response","Check for local modifications: git diff server/utils/AiProviders/localAi/index.js"],"exampleFix":"# before\nLOCAL_AI_MODEL_PREF=my-old-model\n# after (use an id from `curl http://localhost:1234/v1/models`)\nLOCAL_AI_MODEL_PREF=luna-ai-llama2-7b","handlingStrategy":"try-catch","validationCode":"const valid = await llm.isValidChatCompletionModel(llm.model);\nif (!valid)\n  throw new Error(`Model ${llm.model} is not served by the LocalAI instance`);","typeGuard":null,"tryCatchPattern":"try {\n  await llm.getChatCompletion(messages);\n} catch (e) {\n  if (/not valid for chat completion/.test(e.message)) {\n    // re-fetch $LOCAL_AI_BASE_PATH/v1/models and reselect the model\n  }\n  throw e;\n}","preventionTips":["Keep LOCAL_AI_MODEL_PREF in sync with models actually loaded in the LocalAI container","Health-check GET $LOCAL_AI_BASE_PATH/v1/models at startup","If you subclass the provider, make isValidChatCompletionModel failures observable in logs"],"tags":["localai","anythingllm","model-validation","chat-completion"],"backgroundTag":"invalid-model-id","analyzedSha":"20f6d3546c1938bfea1ad304f58a592dddcc5948","analyzedAt":"2026-08-18T10:02:21.017Z","contentChangedAt":"2026-08-18T10:02:21.017Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}