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Model error diagnosis

OpenAI: GPT-4o Search Preview | context length exceeded

OpenAI: GPT-4o Search Preview returning 400 / context length exceeded means you should first confirm whether model ID openai/gpt-4o-search-preview is visible for this OpenAI key, then separate permission, context, capability, rate limit, or route issues.

Model
openai/gpt-4o-search-preview
OpenAI: GPT-4o Search Preview
Provider
OpenAI
62 models in catalog
Error type
context length exceeded
context-exceeded
Status code
400
global model route
Model error summary
Model
openai/gpt-4o-search-preview
Error type
context-exceeded
Status code
400
Read-only check. Detection data burns after 5 minutes.
Read-only check. Detection data burns after 5 minutes.

What this model error usually means

OpenAI: GPT-4o Search Preview returning 400 / context length exceeded means you should first confirm whether model ID openai/gpt-4o-search-preview is visible for this OpenAI key, then separate permission, context, capability, rate limit, or route issues.

  • Model: openai/gpt-4o-search-preview
  • Provider: OpenAI
  • Status code: 400

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

  • List models: confirm whether openai/gpt-4o-search-preview is actually visible instead of guessing from the display name.
  • Light probe: use minimal input to verify whether OpenAI returns the same 400, then record the error body.
  • Compare model facts: context 128,000, input $2.5, output $10.
  • supports max_tokens
  • supports response_format
  • supports structured_outputs
  • supports web_search_options

Next action

OpenAI: GPT-4o Search Preview context length exceeded should not end at failed. Return the next move: change model ID, add permission, reduce context, disable unsupported capability, change route, monitor, or hold listing.

  • Context: 128,000
  • Price: $2.5 / $10
  • Read-only check. Detection data burns after 5 minutes.