Windsurf vs Grok Speech (STT + TTS APIs)

Which one should you pick? Here's the full breakdown.

Windsurf

7.5/10

Cognition's AI code editor -- Windsurf 2.0 (launched 2026-04-15) adds Agent Command Center, Spaces, and embedded Devin cloud agents. Directly competitive with Cursor 3

Our Pick

Grok Speech (STT + TTS APIs)

8.1/10

xAI's standalone voice APIs -- launched 2026-04-17. Built on the stack that powers Grok Voice, Tesla vehicles, and Starlink customer support. $0.10/hr STT batch, $4.20 per 1M characters TTS, 25+ languages, word-level timestamps + speaker diarization

Category	Windsurf	Grok Speech (STT + TTS APIs)
Ease of Use	8.0	7.0
Output Quality	7.0	8.5
Value	8.0	9.0
Features	7.0	8.0
Overall	7.5	8.1

Pricing Comparison

Feature	Windsurf	Grok Speech (STT + TTS APIs)
Free Tier	Yes	No
Starting Price	$0	$0.10

Which Should You Pick?

Pick Windsurf if...

✓Easier to use (8 vs 7)
✓Has a free tier

Developers who want agent-first coding (background + inline) inside a familiar VS Code-based editor, and who value Cognition's Devin integration as a core part of the workflow. The April 2026 redesign makes Windsurf 2.0 a direct alternative to Cursor 3 for this use case.

Visit Windsurf

Pick Grok Speech (STT + TTS APIs) if...

✓Higher output quality (8.5 vs 7)
✓Better value for money (9/10)
✓More features (8 vs 7)

Developers building voice agents, real-time transcription tools, accessibility features, or high-volume TTS workloads where the cost per hour of audio actually matters at scale. Strong fit for phone-call and meeting transcription use cases where xAI's published WER advantage (5.0% on phone-call entities vs. ElevenLabs 12.0%) compounds quickly.

Visit Grok Speech (STT + TTS APIs)

Our Verdict

Grok Speech (STT + TTS APIs) edges out Windsurf with a 8.1 vs 7.5 overall score. Both are solid picks, but Grok Speech (STT + TTS APIs) has the advantage in output quality.