Model error diagnosis

Perplexity: Sonar Deep Research | model capability unsupported

Perplexity: Sonar Deep Research returning 400 / model capability unsupported means you should first confirm whether model ID perplexity/sonar-deep-research is visible for this Perplexity key, then separate permission, context, capability, rate limit, or route issues.

Model

perplexity/sonar-deep-research

Perplexity: Sonar Deep Research

Provider

Perplexity

5 models in catalog

Error type

model capability unsupported

capability-unsupported

Status code

400

global model route

Model error summary

Model

perplexity/sonar-deep-research

Error type

capability-unsupported

Status code

400

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

What this model error usually means

Perplexity: Sonar Deep Research returning 400 / model capability unsupported means you should first confirm whether model ID perplexity/sonar-deep-research is visible for this Perplexity key, then separate permission, context, capability, rate limit, or route issues.

Model: perplexity/sonar-deep-research
Provider: Perplexity
Status code: 400

How to prove it during checking

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

List models: confirm whether perplexity/sonar-deep-research is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Perplexity returns the same 400, then record the error body.
Compare model facts: context 128,000, input $2, output $8.
supports frequency_penalty
supports include_reasoning
supports max_tokens
supports presence_penalty

Next action

Perplexity: Sonar Deep Research model capability unsupported 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 / $8
Read-only check. Detection data burns after 5 minutes.

Open key check

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

Open models

Perplexity: Sonar Deep Research

Open providers

Perplexity