Error: Gemini 3.1 Pro - Unknown error

Error Details

Model: Gemini 3.1 Pro
Provider: gemini
Status Code: N/A

Error Output

{"error":{"message":"{\n  \"error\": {\n    \"code\": 429,\n    \"message\": \"You exceeded your current quota, please check your plan and billing details. For more information on this error, head to: https://ai.google.dev/gemini-api/docs/rate-limits. To monitor your current usage, head to: https://ai.dev/rate-limit. \\n* Quota exceeded for metric: generativelanguage.googleapis.com/generate_content_free_tier_requests, limit: 0, model: gemini-3.1-pro\\n* Quota exceeded for metric: generativelanguage.googleapis.com/generate_content_free_tier_requests, limit: 0, model: gemini-3.1-pro\\n* Quota exceeded for metric: generativelanguage.googleapis.com/generate_content_free_tier_input_token_count, limit: 0, model: gemini-3.1-pro\\n* Quota exceeded for metric: generativelanguage.googleapis.com/generate_content_free_tier_input_token_count, limit: 0, model: gemini-3.1-pro\\nPlease retry in 11.665902715s.\",\n    \"status\": \"RESOURCE_EXHAUSTED\",\n    \"details\": [\n      {\n        \"@type\": \"type.googleapis.com/google.rpc.Help\",\n        \"links\": [\n          {\n            \"description\": \"Learn more about Gemini API quotas\",\n            \"url\": \"https://ai.google.dev/gemini-api/docs/rate-limits\"\n          }\n        ]\n      },\n      {\n        \"@type\": \"type.googleapis.com/google.rpc.QuotaFailure\",\n        \"violations\": [\n          {\n            \"quotaMetric\": \"generativelanguage.googleapis.com/generate_content_free_tier_requests\",\n            \"quotaId\": \"GenerateRequestsPerDayPerProjectPerModel-FreeTier\",\n            \"quotaDimensions\": {\n              \"model\": \"gemini-3.1-pro\",\n              \"location\": \"global\"\n            }\n          },\n          {\n            \"quotaMetric\": \"generativelanguage.googleapis.com/generate_content_free_tier_requests\",\n            \"quotaId\": \"GenerateRequestsPerMinutePerProjectPerModel-FreeTier\",\n            \"quotaDimensions\": {\n              \"model\": \"gemini-3.1-pro\",\n              \"location\": \"global\"\n            }\n          },\n          {\n            \"quotaMetric\": \"generativelanguage.googleapis.com/generate_content_free_tier_input_token_count\",\n            \"quotaId\": \"GenerateContentInputTokensPerModelPerMinute-FreeTier\",\n            \"quotaDimensions\": {\n              \"model\": \"gemini-3.1-pro\",\n              \"location\": \"global\"\n            }\n          },\n          {\n            \"quotaMetric\": \"generativelanguage.googleapis.com/generate_content_free_tier_input_token_count\",\n            \"quotaId\": \"GenerateContentInputTokensPerModelPerDay-FreeTier\",\n            \"quotaDimensions\": {\n              \"model\": \"gemini-3.1-pro\",\n              \"location\": \"global\"\n            }\n          }\n        ]\n      },\n      {\n        \"@type\": \"type.googleapis.com/google.rpc.RetryInfo\",\n        \"retryDelay\": \"11s\"\n      }\n    ]\n  }\n}\n","code":429,"status":"Too Many Requests"}}

Additional Context
Please add any additional context about the error here

Start by tracing the Gemini provider entry point and its handling of the reported 429 response for Gemini 3.1 Pro. Reproduce the error using the details in the report, then verify that quota exhaustion is surfaced with a useful error instead of being labeled only as an unknown error.