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[BUG] GPT-5.6 Luna returns 500 with presence/frequency penalties + reasoning_effort:none
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1
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61
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September 5, 2026
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Chat Completions: unannounced change to API contract?
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1
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97
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August 20, 2026
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New Responses reasoning.content, reasoning.mode, prompt_cache_options not documented by rejecting models
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1
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151
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July 20, 2026
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431 Request headers are too large
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1
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180
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June 16, 2026
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Gpt-5.4 ignores reasoning_effort="none" when max_completion_tokens is used
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9
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999
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April 26, 2026
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No logs appearing in a specific project — even with store=True and Data Retention enabled
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3
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184
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April 8, 2026
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Using ChatGPT Go API Key with gpt-5.1-codex API Model
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1
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861
|
March 26, 2026
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Inconsistent Fine-Tune Behavior: Chat vs. Responses API (GPT-4o)
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13
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629
|
February 24, 2026
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How to Export Full Historical Chat Completion Logs? (API Limit of ~10k)
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1
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494
|
January 28, 2026
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Duplicated structured output content
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6
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882
|
January 26, 2026
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Degraded Performance on gpt-4.1-mini ft
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27
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1089
|
January 25, 2026
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Cloudflare Error 1016 “Origin DNS error” on api.openai.com at 2026-01-07 11:43 UTC
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1
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349
|
January 8, 2026
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ChatCompletions vs Responses API - difference in parallel tool call behaviour observed
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0
|
428
|
December 18, 2025
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Multimodal GPT-4o ignores detail: "low" for small JPEG images
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1
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147
|
December 15, 2025
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Chat Completions vs Responses and pdf file (new PDF file vision upload modality added to CC)
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9
|
3880
|
December 6, 2025
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Feature Request: Allow Timestamps in Chat Completions API Messages
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12
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1002
|
November 28, 2025
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Stop sequence doesn't work with gpt-5.1-chat-latest
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5
|
749
|
November 24, 2025
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Unable to see any log entries in OpenAI Dashboard for the past two days?
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9
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1076
|
November 24, 2025
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No logs available for gpt-5.1 API call
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12
|
895
|
November 24, 2025
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To everyone who was asking whether GPT-5 is only for reasoning
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2
|
994
|
November 16, 2025
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TIP: API creation of structured (strict) output - documentation improved a bit, with helper code
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1
|
857
|
November 10, 2025
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Gpt-5 Responses API: hundreds of calls return empty completion content (while Chat works)
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7
|
834
|
November 6, 2025
|
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Setting reasoning_effort with the new gpt-5-search-api ChatCompletions model?
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1
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2368
|
October 18, 2025
|
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MCP server with OpenAI chat completion API and FastMCP
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0
|
503
|
October 14, 2025
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Chat completions audio output but not base64 encoded string
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5
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631
|
October 10, 2025
|
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Invalid_image_url error code for image urls without file extension
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5
|
875
|
October 7, 2025
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Getting text response when using function calls
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0
|
37
|
September 22, 2025
|
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Annoying error if max_completion_tokens is "too high"
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2
|
1082
|
September 17, 2025
|
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GPT 4.1 in chat completion API throws `unknown mode` error
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3
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582
|
September 5, 2025
|
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TIP: Chat Completions API reference - as a single request, for AI understanding
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2
|
1893
|
September 1, 2025
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