coding_assistant

Windsurf

by Codeium

Last researched May 31, 2026
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AI-powered IDE with fast completions, free tier, and multi-IDE support

Refreshed weekly

Built on

The underlying foundation model(s) this product runs on, per publicly disclosed evidence.

  • Anthropic Claude 3.5 Sonnetprimary

    Codeium's official Windsurf launch blog announces Claude 3.5 Sonnet as the primary model powering the IDE's agentic capabilities.

    vendor-confirmedEvidence

Model details

Model family
—
Base model
—
Context window
—
Input modalities
—
Output modalities
—
Access
Proprietary
Pricing
freemium
API available
Yes

Mantle Index

Equity Score

Mixed

Measures fairness across demographic groups. Higher is more equitable.

58/ 100

Safety Score

Mixed

Measures resistance to harmful outputs. Higher is safer.

72/ 100

The Equity Score and Safety Score roll up the latest Mantle Index assessment. Component breakdowns and risk-tier justification are available on Pro and Enterprise.

Benchmark sub-scores

Security score

28/ 100 · Needs work

Computed from compliance, encryption, data handling, documentation, and vendor contacts — multiplied by research confidence (medium).

Vendor contacts

Certifications

  • SOC 2 Type II

Research coverage

0 dimensions fully covered · 0 partially covered.

    Supply chain

    No supply-chain links recorded yet.

    Citations

    No public citations recorded yet.

    Recent changes

    No changes recorded yet.

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