feat: add google-vertex-openai provider for Vertex AI partner models

providers/google-vertex/models/deepseek-ai/deepseek-v3.1-maas.toml

@@ -0,0 +1,26 @@
+name = "DeepSeek V3.1"
+family = "deepseek"
+release_date = "2025-08-28"
+last_updated = "2025-08-28"
+attachment = false
+reasoning = true
+temperature = true
+tool_call = true
+structured_output = true
+open_weights = true
+
+[cost]
+input = 0.60
+output = 1.70
+
+[limit]
+context = 163_840
+output = 32_768
+
+[modalities]
+input = ["text", "pdf"]
+output = ["text"]
+
+[provider]
+npm = "@ai-sdk/openai-compatible"
+api = "https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi"

providers/google-vertex/models/meta/llama-3.3-70b-instruct-maas.toml

@@ -0,0 +1,27 @@
+name = "Llama 3.3 70B Instruct"
+family = "llama"
+release_date = "2025-04-29"
+last_updated = "2025-04-29"
+attachment = false
+reasoning = false
+temperature = true
+tool_call = true
+structured_output = true
+knowledge = "2023-12"
+open_weights = true
+
+[cost]
+input = 0.72
+output = 0.72
+
+[limit]
+context = 128_000
+output = 8_192
+
+[modalities]
+input = ["text"]
+output = ["text"]
+
+[provider]
+npm = "@ai-sdk/openai-compatible"
+api = "https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi"

providers/google-vertex/models/meta/llama-4-maverick-17b-128e-instruct-maas.toml

@@ -0,0 +1,27 @@
+name = "Llama 4 Maverick 17B 128E Instruct"
+family = "llama"
+release_date = "2025-04-29"
+last_updated = "2025-04-29"
+attachment = true
+reasoning = false
+temperature = true
+tool_call = true
+structured_output = true
+knowledge = "2024-08"
+open_weights = true
+
+[cost]
+input = 0.35
+output = 1.15
+
+[limit]
+context = 524_288
+output = 8_192
+
+[modalities]
+input = ["text", "image"]
+output = ["text"]
+
+[provider]
+npm = "@ai-sdk/openai-compatible"
+api = "https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi"

providers/google-vertex/models/qwen/qwen3-235b-a22b-instruct-2507-maas.toml

@@ -0,0 +1,26 @@
+name = "Qwen3 235B A22B Instruct"
+family = "qwen"
+release_date = "2025-08-13"
+last_updated = "2025-08-13"
+attachment = false
+reasoning = true
+temperature = true
+tool_call = true
+structured_output = true
+open_weights = true
+
+[cost]
+input = 0.22
+output = 0.88
+
+[limit]
+context = 262_144
+output = 16_384
+
+[modalities]
+input = ["text"]
+output = ["text"]
+
+[provider]
+npm = "@ai-sdk/openai-compatible"
+api = "https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi"

providers/google-vertex/models/zai-org/glm-4.7-maas.toml

@@ -1,25 +1,30 @@
 name = "GLM-4.7"
 family = "glm"
-release_date = "2025-12-22"
-last_updated = "2025-12-22"
+release_date = "2026-01-06"
+last_updated = "2026-01-06"
 attachment = false
 reasoning = true
 temperature = true
 tool_call = true
+structured_output = true
 knowledge = "2025-04"
 open_weights = true
 
 [interleaved]
 field = "reasoning_content"
 
 [cost]
-input = 0.6
-output = 2.2
+input = 0.60
+output = 2.20
 
 [limit]
-context = 204800
-output = 131072
+context = 200_000
+output = 128_000
 
 [modalities]
-input = ["text"]
+input = ["text", "pdf"]
 output = ["text"]
+
+[provider]
+npm = "@ai-sdk/openai-compatible"
+api = "https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi"