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Best SeaShell Alternatives in 2026

Updated

20 platforms from AI coding assistants ranked against SeaShell on the same published basis.

  1. 1
    Devin Free plan apiLinuxMacWebWin $20/mo8.8
    SeaShell vs Devin
  2. 2
    Tabby Free plan apiextensionLinuxMacself-hosted $15/mo8.5
    SeaShell vs Tabby
  3. 3
    Kilo Code Free plan AndroidapiextensioniOSLinux $15/mo8.5
    SeaShell vs Kilo Code
  4. 4
    OpenCode Free plan apiextensionLinuxMacWeb $10/mo8.4
    SeaShell vs OpenCode
  5. 5
    Amp Free plan apiiOSLinuxMacWeb 8.4
    SeaShell vs Amp
  6. 6
    CodeGPT Free plan apiextensionLinuxMacself-hosted $10/mo8.4
    SeaShell vs CodeGPT
  7. 7
    AskCodi Free plan apiextensionLinuxMacWeb $165.83/mo8.3
    SeaShell vs AskCodi
  8. 8
    Snowflake CoCo Free trial apiLinuxMacWebWin 8.0
    SeaShell vs Snowflake CoCo
  9. 9
    Spettro Free plan apiLinuxMacWebWin €5/mo8.0
    SeaShell vs Spettro
  10. 10
    Klaat Code Free plan apiextensionLinuxMacWeb $5/mo8.0
    SeaShell vs Klaat Code
  11. 11
    GitHub Copilot Free plan AndroidextensioniOSLinuxMac $10/mo7.6
    SeaShell vs GitHub Copilot
  12. 12
    LIQ CODE Free plan apiextensionLinuxMacWeb $7/mo7.6
    SeaShell vs LIQ CODE
  13. 13
    Factory Droid AndroidapiextensioniOSLinux $20/mo7.5
    SeaShell vs Factory Droid
  14. 14
    Claude Code Free plan WebWinMacLinuxiOS $17/mo7.3
    SeaShell vs Claude Code
  15. 15
    Gemini CLI Free plan WinMacLinux Free7.3
    SeaShell vs Gemini CLI
  16. 16
    JetBrains Junie Free plan extensionLinuxMacWebWin $8.33/mo7.3
    SeaShell vs JetBrains Junie
  17. 17
    GitHub Codespaces Free plan AndroidapiextensioniOSLinux $0.07/mo7.3
    SeaShell vs GitHub Codespaces
  18. 18
    Atlassian Rovo Dev Free plan extensionLinuxMacWeb $20/mo7.2
    SeaShell vs Atlassian Rovo Dev
  19. 19
    Amazon Q Free plan WebAndroid 7.1
    SeaShell vs Amazon Q
  20. 20
    Gemini Code Assist Free plan WebWinMacLinux $22.80/mo6.9
    SeaShell vs Gemini Code Assist

SeaShell alternatives compared

#PlatformScoreFree planFromRuns on
1Devin8.8Free plan$20/moAPI, Linux, Mac, Web, Windows
2Tabby8.5Free plan$15/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
3Kilo Code8.5Free plan$15/moAndroid, API, Browser, iOS, Linux, Mac, Web, Windows
4OpenCode8.4Free plan$10/moAPI, Browser, Linux, Mac, Web, Windows
5Amp8.4Free plan—API, iOS, Linux, Mac, Web, Windows
6CodeGPT8.4Free plan$10/moAPI, Browser, Linux, Mac, self-hosted, Windows
7AskCodi8.3Free plan$165.83/moAPI, Browser, Linux, Mac, Web, Windows
8Snowflake CoCo8.0No—API, Linux, Mac, Web, Windows
9Spettro8.0Free plan€5/moAPI, Linux, Mac, Web, Windows
10Klaat Code8.0Free plan$5/moAPI, Browser, Linux, Mac, Web, Windows
11GitHub Copilot7.6Free plan$10/moAndroid, Browser, iOS, Linux, Mac, Web, Windows
12LIQ CODE7.6Free plan$7/moAPI, Browser, Linux, Mac, Web, Windows
13Factory Droid7.5No$20/moAndroid, API, Browser, iOS, Linux, Mac, Web, Windows
14Claude Code7.3Free plan$17/moWeb, Windows, Mac, Linux, iOS, Android
15Gemini CLI7.3Free planFreeWindows, Mac, Linux
16JetBrains Junie7.3Free plan$8.33/moBrowser, Linux, Mac, Web, Windows
17GitHub Codespaces7.3Free plan$0.07/moAndroid, API, Browser, iOS, Linux, Mac, Web, Windows
18Atlassian Rovo Dev7.2Free plan$20/moBrowser, Linux, Mac, Web
19Amazon Q7.1Free plan—Web, Android
20Gemini Code Assist6.9Free plan$22.80/moWeb, Windows, Mac, Linux
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Questions about SeaShell alternatives

What is the best alternative to SeaShell?

Devin, number 1 in AI coding assistants with a score of 8.8 out of 10. The others here: Tabby, Kilo Code, OpenCode and 16 more.

What is the best free alternative to SeaShell?

Devin is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.