Devin Desktop v1.9544.35
Devin Desktop v1.9544.35 was released on .
Summary
New Models — GPT-5.3-Codex-Spark is now available in Arena Mode's Fast Arena and Hybrid Arena battle groups
Release Context
- This was the 10th Devin Desktop release of 2026 tracked by Havoptic.
- It shipped 1 day after Devin Desktop v1.9544.28 (February 3, 2026).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Gemini CLI v0.27.3 (February 6, 2026)
- Claude Code v2.1.34 (February 6, 2026)
- Claude Code v2.1.33 (February 6, 2026)
- GitHub Copilot CLI v0.0.405 (February 5, 2026)
- Gemini CLI v0.27.2 (February 5, 2026)
Compare Devin Desktop: vs Claude Code · vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Antigravity CLI
Release Notes
New Models
- GPT-5.3-Codex-Spark is now available in Arena Mode's Fast Arena and Hybrid Arena battle groups
Claude Opus 4.6 (fast mode)
Claude Opus 4.6 (fast mode) is now available in Windsurf in research preview with limited-time promotional pricing for self serve users until Feb 16:
- No thinking: 10x credits
- With thinking: 12x credits
Opus 4.6 (fast mode) has the same intelligence as Opus 4.6 but with up to 2.5x higher output speeds.
Claude Opus 4.6
Claude Opus 4.6 is now available in Windsurf with limited-time promotional pricing for self serve users:
- No thinking: 2x credits
- With thinking: 3x credits
Opus 4.6 is available in Arena Mode's Frontier Arena and Hybrid Arena. Try it head-to-head against other frontier models to see how it performs on your real-world tasks.
Bug Fixes and Improvements
Other Recent Devin Desktop Releases
- v3.5.17 (July 19, 2026)
- v3.4.27 (July 7, 2026)
- v3.4.22 (July 4, 2026)
- v3.3.18 (June 23, 2026)
- v3.2.28 (June 23, 2026)
All Devin Desktop releases · All AI coding tool releases on Havoptic