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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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118
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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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163
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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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898
|
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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160
|
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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719
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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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603
|
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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461
|
January 28, 2026
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Duplicated structured output content
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6
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865
|
January 26, 2026
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Degraded Performance on gpt-4.1-mini ft
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27
|
1016
|
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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315
|
January 8, 2026
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ChatCompletions vs Responses API - difference in parallel tool call behaviour observed
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0
|
385
|
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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141
|
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
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3803
|
December 6, 2025
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Feature Request: Allow Timestamps in Chat Completions API Messages
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12
|
970
|
November 28, 2025
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Stop sequence doesn't work with gpt-5.1-chat-latest
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5
|
712
|
November 24, 2025
|
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Unable to see any log entries in OpenAI Dashboard for the past two days?
|
|
9
|
1039
|
November 24, 2025
|
|
No logs available for gpt-5.1 API call
|
|
12
|
859
|
November 24, 2025
|
|
To everyone who was asking whether GPT-5 is only for reasoning
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2
|
958
|
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
|
829
|
November 10, 2025
|
|
Gpt-5 Responses API: hundreds of calls return empty completion content (while Chat works)
|
|
7
|
783
|
November 6, 2025
|
|
Setting reasoning_effort with the new gpt-5-search-api ChatCompletions model?
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|
1
|
2317
|
October 18, 2025
|
|
MCP server with OpenAI chat completion API and FastMCP
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0
|
484
|
October 14, 2025
|
|
Chat completions audio output but not base64 encoded string
|
|
5
|
598
|
October 10, 2025
|
|
Invalid_image_url error code for image urls without file extension
|
|
5
|
859
|
October 7, 2025
|
|
Annoying error if max_completion_tokens is "too high"
|
|
2
|
1056
|
September 17, 2025
|
|
GPT 4.1 in chat completion API throws `unknown mode` error
|
|
3
|
569
|
September 5, 2025
|
|
TIP: Chat Completions API reference - as a single request, for AI understanding
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|
2
|
1751
|
September 1, 2025
|
|
Deterministic Results Impossible for GPT-4o
|
|
7
|
2581
|
August 26, 2025
|
|
BUG: Stored Chat Completions not showing in Dashboard when sending type "image_url" messages
|
|
5
|
458
|
August 8, 2025
|
|
Send files to completion api
|
|
10
|
44350
|
July 29, 2025
|