chore: add support for OPENAI_BASE_URL envar

site/docs/providers/openai.md

@@ -92,7 +92,7 @@ Supported parameters include:
 | `apiKey`            | Your OpenAI API key, equivalent to `OPENAI_API_KEY` environment variable                                                                                        |
 | `apiKeyEnvar`       | An environment variable that contains the API key                                                                                                               |
 | `apiHost`           | The hostname of the OpenAI API, please also read `OPENAI_API_HOST` below.                                                                                       |
-| `apiBaseUrl`        | The base URL of the OpenAI API, please also read `OPENAI_API_BASE_URL` below.                                                                                   |
+| `apiBaseUrl`        | The base URL of the OpenAI API, please also read `OPENAI_BASE_URL` below.                                                                                       |
 | `organization`      | Your OpenAI organization key.                                                                                                                                   |
 
 Here are the type declarations of `config` parameters:
@@ -572,8 +572,8 @@ These OpenAI-related environment variables are supported:
 | -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
 | `OPENAI_TEMPERATURE`             | Temperature model parameter, defaults to 0.                                                                                                      |
 | `OPENAI_MAX_TOKENS`              | Max_tokens model parameter, defaults to 1024.                                                                                                    |
-| `OPENAI_API_HOST`                | The hostname to use (useful if you're using an API proxy). Takes priority over `OPENAI_API_BASE_URL`.                                            |
-| `OPENAI_API_BASE_URL`            | The base URL (protocol + hostname + port) to use, this is a more general option than `OPENAI_API_HOST`.                                          |
+| `OPENAI_API_HOST`                | The hostname to use (useful if you're using an API proxy). Takes priority over `OPENAI_BASE_URL`.                                                |
+| `OPENAI_BASE_URL`                | The base URL (protocol + hostname + port) to use, this is a more general option than `OPENAI_API_HOST`.                                          |
 | `OPENAI_API_KEY`                 | OpenAI API key.                                                                                                                                  |
 | `OPENAI_ORGANIZATION`            | The OpenAI organization key to use.                                                                                                              |
 | `PROMPTFOO_REQUIRE_JSON_PROMPTS` | By default the chat completion provider will wrap non-JSON messages in a single user message. Setting this envar to true disables that behavior. |

site/docs/providers/openllm.md

@@ -6,7 +6,7 @@ To use [OpenLLM](https://github.com/bentoml/OpenLLM) with promptfoo, we take adv
 
 2. Set environment variables:
 
-   - Set `OPENAI_API_BASE_URL` to `http://localhost:8001/v1`
+   - Set `OPENAI_BASE_URL` to `http://localhost:8001/v1`
    - Set `OPENAI_API_KEY` to a dummy value `foo`.
 
 3. Depending on your use case, use the `chat` or `completion` model types.

site/docs/providers/text-generation-webui.md

@@ -27,4 +27,4 @@ providers:
           instruction_template: LLama-v2
 ```
 
-If desired, you can instead use the `OPENAI_API_BASE_URL` and `OPENAI_API_KEY` environment variables instead of the `apiBaseUrl` and `apiKey` configs.
+If desired, you can instead use the `OPENAI_BASE_URL` and `OPENAI_API_KEY` environment variables instead of the `apiBaseUrl` and `apiKey` configs.

site/docs/providers/togetherai.md

@@ -14,6 +14,6 @@ providers:
       apiKeyEnvar: TOGETHER_API_KEY
 ```
 
-If desired, you can instead use the `OPENAI_API_BASE_URL` environment variables instead of the `apiBaseUrl` config property.
+If desired, you can instead use the `OPENAI_BASE_URL` environment variables instead of the `apiBaseUrl` config property.
 
 In this example, you'd also have to set the `TOGETHER_API_KEY` environment variable (you can also enter it directly in the config using the `apiKey` property).

site/docs/providers/vllm.md

@@ -13,4 +13,4 @@ providers:
       apiBaseUrl: http://localhost:8080/v1
 ```
 
-If desired, you can instead use the `OPENAI_API_BASE_URL` environment variable instead of the `apiBaseUrl` config.
+If desired, you can instead use the `OPENAI_BASE_URL` environment variable instead of the `apiBaseUrl` config.

src/providers/azureopenai.ts

@@ -89,7 +89,11 @@ class AzureOpenAiGenericProvider implements ApiProvider {
     this.apiHost =
       config?.apiHost || env?.AZURE_OPENAI_API_HOST || process.env.AZURE_OPENAI_API_HOST;
     this.apiBaseUrl =
-      config?.apiBaseUrl || env?.AZURE_OPENAI_API_BASE_URL || process.env.AZURE_OPENAI_API_BASE_URL;
+      config?.apiBaseUrl ||
+      env?.AZURE_OPENAI_API_BASE_URL ||
+      env?.AZURE_OPENAI_BASE_URL ||
+      process.env.AZURE_OPENAI_API_BASE_URL ||
+      process.env.AZURE_OPENAI_BASE_URL;
 
     this.config = config || {};
     this.id = id ? () => id : this.id;
@@ -412,7 +416,12 @@ export class AzureOpenAiChatCompletionProvider extends AzureOpenAiGenericProvide
               choice.message.role === 'assistant',
           )?.message
         : data.choices[0].message;
-      const output = message.content == null ? message.tool_calls == null ? message.function_call : message.tool_calls : message.content;
+      const output =
+        message.content == null
+          ? message.tool_calls == null
+            ? message.function_call
+            : message.tool_calls
+          : message.content;
       const logProbs = data.choices[0].logprobs?.content?.map(
         (logProbObj: { token: string; logprob: number }) => logProbObj.logprob,
       );

src/providers/openai.ts

@@ -110,7 +110,9 @@ export class OpenAiGenericProvider implements ApiProvider {
     return (
       this.config.apiBaseUrl ||
       this.env?.OPENAI_API_BASE_URL ||
+      this.env?.OPENAI_BASE_URL ||
       process.env.OPENAI_API_BASE_URL ||
+      process.env.OPENAI_BASE_URL ||
       this.getApiUrlDefault()
     );
   }

src/types.ts

@@ -41,11 +41,13 @@ export interface EnvOverrides {
   AZURE_OPENAI_API_HOST?: string;
   AZURE_OPENAI_API_KEY?: string;
   AZURE_OPENAI_API_BASE_URL?: string;
+  AZURE_OPENAI_BASE_URL?: string;
   AWS_BEDROCK_REGION?: string;
   COHERE_API_KEY?: string;
   OPENAI_API_KEY?: string;
   OPENAI_API_HOST?: string;
   OPENAI_API_BASE_URL?: string;
+  OPENAI_BASE_URL?: string;
   OPENAI_ORGANIZATION?: string;
   REPLICATE_API_KEY?: string;
   REPLICATE_API_TOKEN?: string;