Model error diagnosis

Perplexity: Sonar Reasoning Pro | context length exceeded

Perplexity: Sonar Reasoning Pro returning 400 / context length exceeded means you should first confirm whether model ID perplexity/sonar-reasoning-pro is visible for this Perplexity key, then separate permission, context, capability, rate limit, or route issues.

Model

perplexity/sonar-reasoning-pro

Perplexity: Sonar Reasoning Pro

Provider

Perplexity

5 models in catalog

Error type

context length exceeded

context-exceeded

Status code

400

global model route

Model error summary

Model

perplexity/sonar-reasoning-pro

Error type

context-exceeded

Status code

400

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

What this model error usually means

Perplexity: Sonar Reasoning Pro returning 400 / context length exceeded means you should first confirm whether model ID perplexity/sonar-reasoning-pro is visible for this Perplexity key, then separate permission, context, capability, rate limit, or route issues.

Model: perplexity/sonar-reasoning-pro
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-reasoning-pro 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 Reasoning Pro 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 / $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 Reasoning Pro

Open providers

Perplexity