Model error diagnosis

Cohere: Command A | context length exceeded

Cohere: Command A returning 400 / context length exceeded means you should first confirm whether model ID cohere/command-a is visible for this Cohere key, then separate permission, context, capability, rate limit, or route issues.

Model

cohere/command-a

Cohere: Command A

Provider

Cohere

4 models in catalog

Error type

context length exceeded

context-exceeded

Status code

400

global model route

Model error summary

Model

cohere/command-a

Error type

context-exceeded

Status code

400

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

What this model error usually means

Cohere: Command A returning 400 / context length exceeded means you should first confirm whether model ID cohere/command-a is visible for this Cohere key, then separate permission, context, capability, rate limit, or route issues.

Model: cohere/command-a
Provider: Cohere
Status code: 400

How to prove it during checking

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

List models: confirm whether cohere/command-a is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Cohere returns the same 400, then record the error body.
Compare model facts: context 256,000, input $2.5, output $10.
supports frequency_penalty
supports max_tokens
supports presence_penalty
supports response_format

Next action

Cohere: Command A 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: 256,000
Price: $2.5 / $10
Read-only check. Detection data burns after 5 minutes.

Open key checker

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