From 792d186f5720b55339baf89bda3b34bdddd8a9d8 Mon Sep 17 00:00:00 2001
From: Andrey Nering <andreynering@users.noreply.github.com>
Date: Thu, 30 Apr 2026 13:50:45 -0300
Subject: [PATCH] feat: add `ExtraBody` provider option to openai-compat (#220)

This was already present to some other providers, like Vercel and
OpenRouter.
---
 providers/openaicompat/language_model_hooks.go | 3 +++
 providers/openaicompat/provider_options.go     | 1 +
 2 files changed, 4 insertions(+)

diff --git a/providers/openaicompat/language_model_hooks.go b/providers/openaicompat/language_model_hooks.go
index d2e77af1b12ce3f43e2249faf3ab278611a5bad8..5ffefb692a9478a50117d6aab98e01adb5c0d7fd 100644
--- a/providers/openaicompat/language_model_hooks.go
+++ b/providers/openaicompat/language_model_hooks.go
@@ -47,6 +47,9 @@ func PrepareCallFunc(model fantasy.LanguageModel, params *openaisdk.ChatCompleti
 	if providerOptions.User != nil {
 		params.User = param.NewOpt(*providerOptions.User)
 	}
+	if len(providerOptions.ExtraBody) > 0 {
+		params.SetExtraFields(providerOptions.ExtraBody)
+	}
 	return nil, nil
 }
 
diff --git a/providers/openaicompat/provider_options.go b/providers/openaicompat/provider_options.go
index 561860c32dabf176e820af5b3cc4980bf323abca..1c5662c3c90457004174e703d8da1e1b94c7eb93 100644
--- a/providers/openaicompat/provider_options.go
+++ b/providers/openaicompat/provider_options.go
@@ -28,6 +28,7 @@ func init() {
 type ProviderOptions struct {
 	User            *string                 `json:"user"`
 	ReasoningEffort *openai.ReasoningEffort `json:"reasoning_effort"`
+	ExtraBody       map[string]any          `json:"extra_body,omitempty"`
 }
 
 // ReasoningData represents reasoning data for OpenAI-compatible provider.