OpenRouter requests time out: find where the request stops

Separate connection failures, HTTP errors and interrupted streams before retrying an OpenRouter request. Keep request evidence and avoid duplicate work.

api-guidetroubleshooting

How to check an LLM API provider before you trust it

Check model IDs, provider routing, usage records and billed costs before choosing an LLM API gateway. Learn what a response can and cannot prove.

api-guidetroubleshooting

Claude Invalid Signature in Thinking Block: What to Check

Fix Claude thinking-signature errors by preserving complete content blocks, checking streaming assembly and distinguishing conversation-binding failures.

troubleshootingdeveloper-tools

Claude 400: Fix tool_use Without a Matching tool_result

Diagnose Claude and OpenCode tool_result errors by checking call IDs, message order, parallel results and interrupted sessions before retrying.

troubleshootingdeveloper-tools

Codex stream disconnected before completion: Diagnose the Cause

Trace Codex stream disconnects using the full error, response events, session history and network path without blindly retrying unfinished tool actions.

troubleshootingdeveloper-tools

Why DeepSeek V4.1 Flash Gives Different Results Across Clients

Compare DeepSeek V4.1 Flash requests across coding clients: model routing, reasoning settings, context, tool results and a repeatable diagnostic checklist.

modelsdeveloper-tools

DeepSeek V4.1 Flash Parameters: Total, Active and Weight Size

Understand DeepSeek V4.1 Flash backbone parameters, Engram memory, active computation and weight-file size without confusing them with VRAM requirements.

modelsdeveloper-tools

Gemini missing thought_signature After a Tool Call: How to Fix It

Preserve Gemini thought signatures through function calls, parallel results and SDK adapters; distinguish native REST fields from Python and compatibility APIs.

troubleshootingdeveloper-tools

K2 Horizon 36B-A4B Local Deployment: Check Memory and Runtime Support

Check K2 Horizon MoVA 36B-A4B weights, BF16 GGUF size and runtime support before choosing hardware or comparing it with Qwen3.6-35B-A3B.

modelsdeveloper-tools

OpenAI Agents API: Codex's harness becomes a managed service

OpenAI launches Agents API beta with the Codex harness and hosted sandboxes. What it handles, what developers still own, and why no extra fee is not free.

OpenAIAgents API