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Session turns keeps resulting in AI_APICallError: Bad Request #2764
Description
Trying out opencode for the first time. Using grok-fast-1 as the primary model. I'm finding that my session keeps resulting in AI_APICallError: Bad Request
This persists even if I change models, or relaunch opencode and resume the session. I've tried launching with --print-logs but that doesn't show anything helpful
❯❯❯ opencode --print-logs
INFO 2025-09-24T17:06:10 +58ms service=default version=0.11.1 args=["--print-logs"] opencode
INFO 2025-09-24T17:06:10 +1ms service=project directory=/Users/paymahn/code/goldsky/graph-tools fromDirectory
INFO 2025-09-24T17:06:11 +77ms service=config path=/Users/paymahn/.config/opencode/config.json loading
INFO 2025-09-24T17:06:11 +0ms service=config path=/Users/paymahn/.config/opencode/opencode.json loading
INFO 2025-09-24T17:06:11 +1ms service=config path=/Users/paymahn/.config/opencode/opencode.jsonc loading
INFO 2025-09-24T17:06:11 +1ms service=plugin path=opencode-copilot-auth@0.0.2 loading plugin
INFO 2025-09-24T17:06:11 +8ms service=plugin path=opencode-anthropic-auth@0.0.2 loading plugin
INFO 2025-09-24T17:06:11 +27ms service=bus type=* subscribing
INFO 2025-09-24T17:06:11 +0ms service=bus type=session.updated subscribing
INFO 2025-09-24T17:06:11 +0ms service=bus type=message.updated subscribing
INFO 2025-09-24T17:06:11 +0ms service=bus type=message.part.updated subscribing
INFO 2025-09-24T17:06:11 +0ms service=format init
INFO 2025-09-24T17:06:11 +0ms service=bus type=file.edited subscribing
INFO 2025-09-24T17:06:11 +1ms service=lsp serverIds=typescript, vue, eslint, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, rust, clangd, svelte enabled LSP servers
INFO 2025-09-24T17:06:11 +1ms service=models.dev file={} refreshing
INFO 2025-09-24T17:06:11 +2ms service=provider init
INFO 2025-09-24T17:06:11 +1ms service=provider providerID=opencode found
INFO 2025-09-24T17:06:11 +0ms service=provider providerID=anthropic found
INFO 2025-09-24T17:06:11 +6ms service=default cmd=["/Users/paymahn/.cache/opencode/tui/tui-bkrzpvzm."] tui
INFO 2025-09-24T17:06:11 +58ms service=server method=GET path=/agent request
INFO 2025-09-24T17:06:11 +2ms service=server duration=2 response
INFO 2025-09-24T17:06:11 +0ms service=server method=GET path=/project/current request
INFO 2025-09-24T17:06:11 +1ms service=server duration=1 response
INFO 2025-09-24T17:06:11 +0ms service=server method=GET path=/path request
INFO 2025-09-24T17:06:11 +0ms service=server duration=0 response
INFO 2025-09-24T17:06:11 +2ms service=server method=GET path=/config request
INFO 2025-09-24T17:06:11 +0ms service=server duration=0 response
INFO 2025-09-24T17:06:11 +7ms service=server method=GET path=/command request
INFO 2025-09-24T17:06:11 +0ms service=server duration=0 response
INFO 2025-09-24T17:06:11 +1ms service=server method=GET path=/file/status request
INFO 2025-09-24T17:06:11 +1ms service=tui commands={"agent_cycle":{},"agent_cycle_reverse":{},"agent_list":{},"app_exit":{},"app_help":{},"editor_open":{},"input_clear":{},"input_newline":{},"input_paste":{},"input_submit":{},"messages_copy":{},"messages_first":{},"messages_half_page_down":{},"messages_half_page_up":{},"messages_last":{},"messages_page_down":{},"messages_page_up":{},"messages_redo":{},"messages_undo":{},"model_cycle_recent":{},"model_cycle_recent_reverse":{},"model_list":{},"project_init":{},"session_child_cycle":{},"session_child_cycle_reverse":{},"session_compact":{},"session_export":{},"session_interrupt":{},"session_list":{},"session_new":{},"session_share":{},"session_timeline":{},"session_unshare":{},"theme_list":{},"thinking_blocks":{},"tool_details":{}} Loaded commands
INFO 2025-09-24T17:06:11 +0ms service=server method=GET path=/event request
INFO 2025-09-24T17:06:11 +0ms service=server event connected
INFO 2025-09-24T17:06:11 +1ms service=bus type=* subscribing
INFO 2025-09-24T17:06:11 +1ms service=server duration=2 response
INFO 2025-09-24T17:06:11 +1ms service=server method=GET path=/tui/control/next request
INFO 2025-09-24T17:06:11 +4ms service=server method=GET path=/config/providers request
INFO 2025-09-24T17:06:11 +1ms service=server duration=1 response
INFO 2025-09-24T17:08:17 +101836ms service=bus type=* unsubscribing
INFO 2025-09-24T17:08:17 +0ms service=server event disconnected
One thing that looks suspicious is that it seems opencode is trying to send my tsbuild.info file to the LLM. I don't quite know how to scroll in the TUI or how else to verify, but I see output like this which is suspicious
Note that this AI_APICallError: Bad Request happened earlier and I don't know how I got it unstuck but now it's stuck again.
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github-actions commentedon Sep 24, 2025
This issue might be a duplicate of existing issues. Please check:
The pattern of persistent Bad Request errors even after model changes and session restarts matches these existing reports. The mention of tsbuild.info file being sent to the LLM might also be related to context/file handling issues reported in similar cases.
Feel free to ignore if none of these address your specific case.
rekram1-node commentedon Sep 24, 2025
@paymog yeah it looks like you probably have a message in context that is too big. Once that happens the only way currently to fix is to use /undo to revert until you have reverted problematic message and then continue
You could also ofc start a fresh session, can you maybe share the session causing issue?
Is the agent reading
tsbuild.infoor are you @ referencing it into context? Maybe consider putting in AGENTS.md telling llm to not read itpaymog commentedon Sep 24, 2025
Ah gotcha. Ok i'll try reverting and/or starting a new session. I don't think I can share teh session publicly becuase i'm using opencode with a private repo.
I didn't reference tsbuild.info myself, I suspect it added to the context when opencode used grep or something similar.
rekram1-node commentedon Sep 24, 2025
Yeah we try to limit output of read tool but I think we don't properly handle the case if all the content is on 1 line in the file
but we should fix that
paymog commentedon Sep 25, 2025
would be neat if opencode could also by default ignore gitignored files or something like that
rekram1-node commentedon Sep 25, 2025
it does do that but the llm can still discover rhem using bash commands and just trying reads on random paths
the list and grep both use ripgrep under hood which respects gitigore
rekram1-node commentedon Sep 30, 2025
going to close since this just seems like too much context was injected