Deva vs GitHub Copilot
Both Deva and GitHub Copilot are AI coding assistants. They optimize for different audiences: Copilot is built for the broadest possible developer market with cloud-only model access, while Deva targets developers in regulated industries (healthcare, finance, defense, classified environments) where source code cannot leave the boundary and every change must map to a compliance framework.
AI Coding Assistants
Side-by-side comparison
| Dimension | Deva | GitHub Copilot |
|---|---|---|
| Deployment model | Local CLI for macOS, Windows, and Linux plus an extension on VS Code Marketplace and Open VSX. The local Deva model runs on-device via Ollama. | VS Code, JetBrains, and Visual Studio extension. Model inference runs in GitHub's cloud. |
| Air-gapped support | Full support. Scanner, local model, compliance mapping all run on-device. No outbound network calls in air-gapped mode. | Not supported. Copilot requires connectivity to GitHub's cloud for inference. |
| AI model choice | Multi-model: Claude (Opus, Sonnet, Haiku), GPT (5.3 Codex, 4o, o4-mini), Gemini (2.5 Pro, 2.5 Flash) via authenticated proxy, plus local open-source models (Llama 3.3, Mistral, DeepSeek Coder V3, Qwen 2.5 Coder) and the Deva Coder local model. Switch per task. | Anthropic Claude, OpenAI GPT, Google Gemini, and Grok in the Pro tier, but routed through GitHub's infrastructure. No local inference. |
| Security scanning | Built in. CWE-mapped rules with AST and taint tracking. Mapped to 17 compliance frameworks. | Not a primary feature. GitHub Advanced Security (CodeQL) is a separate product with separate licensing. |
| Compliance mapping | 17 frameworks built in: HIPAA, PCI-DSS v4, SOC 2, CMMC, NIST 800-53 Rev 5, FedRAMP, GDPR, SOX ITGC, OWASP Top 10, ISO 27001, NIST 800-171, FISMA, and more. Findings map to specific control clauses. | Not a feature. Compliance is the customer's responsibility. |
| Code egress | Zero by default. Optional cloud model calls are opt-in and can be disabled entirely for air-gapped deployments. | Code prefixes and suffixes are sent to GitHub's cloud for inference. Enterprise tier offers data-residency assurances but the egress itself is intrinsic to the architecture. |
| Telemetry | Globally disabled. No usage analytics, crash reports, or feature flags phone home. | Telemetry collection is configurable but on by default for many feature signals. |
| Pricing (individual) | Free during beta. Paid tiers add cloud AI model access and higher scan limits. | Free for verified students, teachers, and OSS maintainers. Otherwise $10/month for Copilot Individual. |
| IDE integration depth | Extension plus standalone CLI. The extension provides scanning, compliance, and AI-assisted fixes inside VS Code and VS Code-compatible editors. | Polished extension experience across VS Code, JetBrains, Vim, and Visual Studio. Deeper integration with GitHub Pull Requests, Issues, and Actions. |
| Code suggestion quality on general-purpose tasks | Multi-model routing lets you pick the strongest available model for the task. Deva Coder v8 achieves 99.7% MBPP syntax pass rate locally. | Optimized over years on a massive code corpus. Strong baseline for general-purpose code completion. |
Where Deva is strong
- Designed for environments where source code cannot leave the boundary.
- Security scanning and compliance mapping are first-party features, not adjacent products.
- Local-model option (Deva Coder) for fully air-gapped operation.
- Multi-model routing lets teams choose the right model per task without lock-in.
- Compliance-aware fix generation does not re-introduce control violations.
Where GitHub Copilot is strong
- Broadest integration footprint across IDEs.
- Years of investment in code completion ranking and ergonomics.
- Tight integration with GitHub-native workflows (PRs, Issues, Actions).
- Established enterprise sales motion and trust signals.
- Larger ecosystem of community-authored prompts and patterns.
Which one fits your use case
Pick Deva
You work on classified, air-gapped, or controlled-environment software.
Copilot depends on GitHub's cloud for inference, so it generally can't be used in these environments unless an accredited deployment exists. Deva is engineered for this case.
Pick Deva
You need code suggestions plus security scanning plus compliance evidence in one tool.
Copilot requires layering separate products for SAST, SCA, and compliance. Deva consolidates these in one local engine shared by its CLI and editor extension.
Pick GitHub Copilot
You work on a general-purpose web app and want broad IDE choice.
Copilot has deeper integration across JetBrains, Vim, and Visual Studio than Deva currently offers, and the general-purpose ergonomics are well-polished.
Pick GitHub Copilot
Your workflow lives inside GitHub Pull Requests and Actions.
Copilot Workspace, Copilot in PRs, and Copilot in Actions are deeply integrated. Deva does not have an equivalent.
Verdict
For regulated, controlled, or compliance-constrained environments, Deva is the more architecturally appropriate choice. For general-purpose development inside the GitHub ecosystem, Copilot remains the default. The two are not mutually exclusive: many Deva customers also use Copilot for non-sensitive projects.