Best langchain-code alternatives (2026)

What it is: goose is the only agent in this set governed by a foundation rather than a vendor, and it can borrow an existing Claude, ChatGPT or Gemini subscription over the Agent Client Protocol instead of an API key. [github.com/aaif-goose/goose]

Choose Goose when: Automate work that is not coding — research, writing, data analysis — on the same machine and the same agent, through the desktop app, the CLI or the API. [github.com/aaif-goose/goose]

Where it hurts: Model choice is not free: goose leans on tool calling, so a weak or local model degrades it, and the vendor names Claude 4 as the model it works best with. [goose-docs.ai/docs/getting-started]

Price: goose charges nothing for itself; you pay whichever provider you configure, and it accepts a ChatGPT Plus or Pro subscription in place of an API key. [goose-docs.ai/docs/getting-started]

What it is: Qwen Code binds the local agent to Telegram, DingTalk, WeChat or Feishu with one command, `qwen channel`, and ships TypeScript, Python and Java SDKs beside the CLI. [github.com/QwenLM/qwen-code]

Choose Qwen Code when: Run the agent from a group chat your team already uses, with `qwen channel`. [github.com/QwenLM/qwen-code]

Where it hurts: Qwen Code is no longer free: the Qwen OAuth free tier was discontinued on 2026-04-15, and requests on an old token are now rejected. [qwenlm.github.io/qwen-code-docs/en]

Price: The free tier is gone as of 2026-04-15; the vendor's recommended replacement is the Alibaba ModelStudio Coding Plan, whose weekly quota is priced on Alibaba's own page, which I did not read today. [qwenlm.github.io/qwen-code-docs/en]

What it is: OpenCode reaches 75+ LLM providers and local models from a single config file, because it resolves every model through the AI SDK and the Models.dev catalogue instead of a hand-written provider list. [opencode.ai/docs/providers]

Choose opencode when: Explore an unfamiliar codebase before you change it: the built-in plan agent refuses file edits and asks before each bash command. [github.com/anomalyco/opencode]

Where it hurts: A fresh install edits files and runs shell commands with no approval prompt, because every permission except `doom_loop` and `external_directory` starts at allow. [opencode.ai/docs/permissions]

Price: OpenCode Go, the optional subscription, costs $5 for the first month and $10 a month after that, and one workspace can hold only one subscriber. [opencode.ai/docs/go]

What it is: Crush is configured by a `crushrc` that is Bash, and it runs that Bash identically on Windows because Crush embeds its own Bash interpreter rather than calling the host shell. [github.com/charmbracelet/crush]

Choose Crush when: Code in a terminal on a platform the other agents skip: Crush ships first-class builds for Android, FreeBSD, OpenBSD and NetBSD as well as macOS, Linux and Windows. [github.com/charmbracelet/crush]

Where it hurts: Crush is not open source today: it ships under the Functional Source License 1.1, which bars any competing commercial use until each version turns MIT two years after release. [github.com/charmbracelet/crush]

Price: Charm Hyper, the provider built for Crush, gives 100 Hypercredits a month at $0 and 250 a day on a $20 monthly subscription; 1 Hypercredit is 5 cents. [hyper.charm.land]

What it is: Claude Code runs only Anthropic models: every alias — default, best, fable, sonnet, opus, haiku and opusplan — resolves to a Claude model, and changing the base URL moves where the request goes without changing which model answers it. [code.claude.com/docs/en]

Choose Claude Code when: Plan a change with Opus and execute it with Sonnet inside one session, by setting the model to `opusplan`. [code.claude.com/docs/en]

Where it hurts: You cannot audit, fork or patch the agent: the repository publishes the changelog, plugins and examples, not the CLI source, under an all-rights-reserved licence. GitHub Copilot CLI is the only other tool in this set that does the same. [github.com/anthropics/claude-code]

Price: Claude Pro costs $17 per month on the annual plan, $200 billed up front, or $20 per month billed monthly; Max starts at $100 per month. [claude.com/pricing]

What it is: Copilot CLI bills the agent from a dollar-denominated credit balance rather than per token: Pro carries $15 of GitHub AI Credits a month, Pro+ $70 and Max $200. [github.com/features/copilot]

Choose GitHub Copilot CLI when: Work across code and GitHub state — issues, pull requests, repositories — in one session, because the agent ships with GitHub's MCP server enabled. [github.com/github/copilot-cli]

Where it hurts: Your employer can switch the tool off: when Copilot comes from an organization, an administrator must enable the Copilot CLI policy first. [docs.github.com/en/copilot]

Price: Copilot CLI is on the $0 Free plan; paid plans are Pro at $10 per user per month, Pro+ at $39 and Max at $100. [github.com/features/copilot]

What it is: Mistral Vibe sets its risk level by picking one of four named agent profiles — ask, plan, accept-edits and auto-approve — rather than by editing a permission table, and accept-edits, which auto-approves edits but not shell commands, is the shipped default. [github.com/mistralai/mistral-vibe]

Choose mistral-vibe when: Refactor with edits applied but shell commands still gated: that is the shipped default, the `accept-edits` agent. [github.com/mistralai/mistral-vibe]

Where it hurts: Windows is not a supported target, only a working one; Mistral tests and aims at UNIX. [github.com/mistralai/mistral-vibe]

Price: Mistral's Free plan includes Vibe with limited coding sessions and $10 a month of API credits. [mistral.ai/pricing]

What it is: Codex CLI is the only agent in this set that confines itself in an OS-enforced sandbox on first run, with network access off and writes limited to the working directory. [developers.openai.com/codex/sandbox]

Choose Codex CLI when: Point an agent at a repository you do not trust: in the default `workspace-write` mode Codex edits inside the working directory and must ask before touching anything outside it. [developers.openai.com/codex/sandbox]

Where it hurts: Subscription spend is unpredictable: the most-commented open issue, 630 comments since 2026-03-13, is that Codex burns the plan budget too fast, and a second reports the 5-hour budget gone in 2-3 prompts. [github.com/openai/codex]

Price: ChatGPT plans that include Codex run $0 for Free, $8 a month for Go, $20 a month for Plus, and from $100 a month for Pro. [developers.openai.com/codex/pricing]