ByteAsk

Name: ByteAsk
Price: 16 USD

The AI coding agent for C and C++ that verifies its own work

ByteAsk is an AI coding agent for C and C++ that runs in the terminal. It edits code in your repository, then runs the compiler, sanitizers, debuggers, and your test suite before presenting a diff for review. It can join an existing gdb session through a bridge, and supports tools including LLVM, GCC, clang, gdb, Valgrind, ASan, UBSan, TSan, perf, make, CMake, QuickBench, vcpkg, Conan, and Git.

It reads projects the way clangd does, generating compile_commands.json for symbol-based navigation, and runs clang-tidy, clang-format, cppcheck, objdump, nm, readelf, rr, and Callgrind as visible tool calls. Reference corpora return cited excerpts from standards and datasheets. Models can be managed through ByteAsk, brought via your own OpenAI, Anthropic, or Gemini key, or served from self-hosted servers such as vLLM, Ollama, llama.cpp, LM Studio, TGI, SGLang, or a LiteLLM proxy. It runs on Linux, macOS, and Windows, with plugins for VS Code, Cursor, JetBrains, Neovim, Emacs, and Zed.

ByteAsk is aimed at developers working in C and C++. It is packaged as a free plan with limited managed-model usage, a 14-day full-access trial with your own API keys, and paid Pro, Max, and Ultra editions with increasing managed-model allowances. Companies with more than 10 people need Team or Enterprise to use their own models.

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Key facts

Starts at: $16/mo
Free plan: Yes
Free trial: Yes
Open source: No

What it does

Terminal based agent workflow
Compiler and build system integration
Sanitizer support asan ubsan tsan valgrind
Gdb and lldb session integration via bridge
Deterministic replay with rr
Static analysis clang tidy clang format cppcheck
Profiling perf callgrind quickbench
Binary analysis objdump nm readelf
Compile commands json generation and symbol based navigation
Grounded reference corpora with citations autosar misra iso c plus plus stm32 cortex m modbus can xilinx ultrascale amba axi itch ouch fix ieee 1588 ptp ieee 1547 2030 5 sunspec scpi x86 64 sdm
Intel intrinsics index
Managed models openai anthropic google
Bring your own api key
Self hosted model support vllm ollama llama cpp lm studio tgi sglang litellm proxy
Zero data retention policy prompts and code not stored after processing not used for training models passwordless magic link sign in short lived token on device read only commands run automatically while state changing commands are proposed for approval first visible tool calls with arguments and output raw tool output returned with frames files and line numbers intact diff review before changes are applied editor plugins for vs code cursor jetbrains neovim emacs zed windsurf vscodium via open vsx cli required for connectors install via curl script on linux macos windows pip uv npm install options self hosted models not metered against plan community support on free tier email support on pro tier faster support on ultra tier priority runs on pro tier highest priority runs on max tier fast mode and early access on max tier 14 day full access trial on free tier annual subscription discount option team and enterprise plans required for companies with more than 10 people to use their own models contact for team enterprise questions y combinator backing macos apple silicon and linux x86 64 arm64 and windows native support editor plugin for 6 editors driving the same cli no password to manage privacy policy available demo source and script in demo outputs asan and ctest output examples shown one debugger per process ptrace limitation addressed via bridge batch and stateful gdb lldb rr trace replay pie aware symbolization decompilation when no source reads clang tidy and clang format from project tree generates compile commands json clangd style navigation intel intrinsics full dataset lookup reference tools return exact passage with citation or explicit miss four step workflow install sign in via emailed link describe change in plain english review diff install command provided platform picker for macos linux windows package manager options pip uv npm faq addressing comparison with claude code cursor codex model flexibility self hosted model metering zero retention design no training on user repositories magic link authentication no api key needed for managed models traffic goes directly to provider with byok self hosted models never metered plan not affected by self hosted models pro plan includes 20 of managed usage monthly free plan includes about 25 agent tasks per month free plan includes build and test code quality compiler insight grounded docs community support limited debugging memory ub performance features pro adds unlimited api keys frontier models priority runs email support max adds 5x pro usage highest priority runs fast mode early access ultra adds 10x pro usage everything in max faster support individual teams and enterprise plan structure 0 free tier 16 month annual 192 billed up front or 20 month monthly pro 100 month max 200 month ultra pricing page contact for questions homepage title and meta description yc backing badge one liner about writing c plus plus and proving it compiles runs passes terminal workflow description linux macos windows support zero data retention badge built in tool list c c plus plus llvm gcc clang compiler explorer gdb valgrind asan ubsan tsan perf make cmake quickbench vcpkg conan git linux built in c and c plus plus tools section grounded reference corpora section intel intrinsics indexed section why byteask section runs compiler with your flags build system joins gdb via bridge shows raw output asks before acting lockout explanation one tracer per process kernel refuses second debugger bridge approach comparison with shell agent claude code lockout scenario gdb session example output evidence section raw report with frames files line numbers asan example ctest example g plus plus 12 2 with addresssanitizer captured 2026 09 03 three demo tests nothing typed by hand toolchain section each tool call visible as its own step compile and navigate section clangd style compile commands json symbol navigation compiler explorer c plus plus insights find the bug section sanitizers debuggers deterministic replay asan ubsan tsan valgrind batch and stateful gdb lldb rr static analysis section clang tidy clang format cppcheck reads existing config profiling section perf callgrind quickbench binary analysis section objdump nm readelf pie aware symbolization decompilation models section managed byok self hosted byteask login byteask byok set byteask models add command self hosted not metered reference documents section autosar ref mcu ref fpga ref hft ref grid ref scpi ref x86 ref corpora how it works section four steps install sign in via email link describe change review diff install section one command or editor plugin platform picker package managers editor plugins for vs code cursor jetbrains neovim emacs zed also windsurf and vscodium via open vsx cli on path required security section zero retention short lived token no training on repos passwordless magic link privacy policy link faq section comparison with claude code cursor codex gdb lockout explanation model flexibility self hosted metering pricing page free pro max ultra tiers individual vs teams and enterprise feature lists per tier api keys vs managed usage 14 day trial annual discount contact for team enterprise companies with more than 10 people need team or enterprise for own models

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