Model error diagnosis

MoonshotAI: Kimi K2 Thinking | context length exceeded

MoonshotAI: Kimi K2 Thinking returning 400 / context length exceeded means you should first confirm whether model ID moonshotai/kimi-k2-thinking is visible for this Moonshot AI key, then separate permission, context, capability, rate limit, or route issues.

Model

moonshotai/kimi-k2-thinking

MoonshotAI: Kimi K2 Thinking

Provider

Moonshot AI

4 models in catalog

Error type

context length exceeded

context-exceeded

Status code

400

China model route

Model error summary

Model

moonshotai/kimi-k2-thinking

Error type

context-exceeded

Status code

400

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

What this model error usually means

MoonshotAI: Kimi K2 Thinking returning 400 / context length exceeded means you should first confirm whether model ID moonshotai/kimi-k2-thinking is visible for this Moonshot AI key, then separate permission, context, capability, rate limit, or route issues.

Model: moonshotai/kimi-k2-thinking
Provider: Moonshot AI
Status code: 400

How to prove it during checking

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

List models: confirm whether moonshotai/kimi-k2-thinking is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Moonshot AI returns the same 400, then record the error body.
Compare model facts: context 262,144, input $0.600, output $2.5.
supports frequency_penalty
supports include_reasoning
supports logit_bias
supports max_tokens

Next action

MoonshotAI: Kimi K2 Thinking 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: 262,144
Price: $0.600 / $2.5
Read-only check. Detection data burns after 5 minutes.

Open key check

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

Open models

MoonshotAI: Kimi K2 Thinking

Open providers

Moonshot AI