Devin (Cognition) vs Mistral Vibe (Remote Agents) + Mistral Medium 3.5
Devin (Cognition) vs Mistral Vibe (Remote Agents) + Mistral Medium 3.5: side-by-side comparison of two coding-agent memory systems — architecture, taxonomy, license, pricing, MCP/A2A support, and direct edges.
Devin (Cognition) · Mistral Vibe (Remote Agents) + Mistral Medium 3.5
Cost & capability
| Devin (Cognition) | Mistral Vibe (Remote Agents) + Mistral Medium 3.5 | |
|---|---|---|
| Capability band | competent | frontier |
| Capability composite | 72 | 76 |
| Cost tier | free | mid |
| $/Mtok input | 0 | 1.5 |
| $/Mtok output | 0 | 7.5 |
| Use cases | Code Generation Focused, Long Running Session, Multi Agent Coordination | Code Generation Focused, Long Running Session, Scoped Agentic |
Where they differ (18)
Rows where both sides have data and the values disagree — the shortlist of dimensions that actually distinguish these two systems.
| Devin (Cognition) | Mistral Vibe (Remote Agents) + Mistral Medium 3.5 | |
|---|---|---|
| Capability band | competent | frontier |
| Capability composite | 72 | 76 |
| Cost tier | free | mid |
| $/Mtok input | 0 | 1.5 |
| $/Mtok output | 0 | 7.5 |
| Use cases | Code Generation Focused, Long Running Session, Multi Agent Coordination | Code Generation Focused, Long Running Session, Scoped Agentic |
| Type | Server-side Knowledge + auto-Repo Knowledge | Cloud-hosted async coding agents with teleportable session state |
| Created | 2024-03 | 2026-05-02 (Vibe + Medium 3.5 launch) |
| Pricing | Free $0; Pro $20/mo; Max $200/mo; Teams $80/mo; Enterprise custom | API: $1.5/M input tokens; $7.5/M output tokens (Medium 3.5); Vibe via Pro/Team/Enterprise plans |
| Funding | Series E ›$2B at $48B post-money (a16z/Accel, Sep 2026); prior Series D ›$1B at $26B (May 2026) | $2.71B total raised; Series C €1.7B (ASML lead) Sep 2025; $830M debt Mar 2026 |
| Backend storage | custom | custom (Mistral-managed sandboxes) |
| Deployment | Both | Managed cloud (la Plateforme + Le Chat) + NVIDIA NIM containers |
| API surface | REST, Slack integration | REST + CLI (Mistral CLI) + Le Chat web; SDK Python/JS |
| Embedding | locked | Mistral embed-v2 (default; multiple supported) |
| Multi-tenancy | Enterprise dedicated SaaS keeps customer data in customer tenant; on-prem and VPC deployment options available | hard-isolation (per-session sandbox) |
| MCP | via official adapter — Devin supports MCP servers | native (first-party — Mistral Agents support MCP) |
| Optimised for | autonomous SWE work + structured Knowledge | async parallel coding agents with teleportable session state; SWE-Bench-leading model (77.6%); EU-jurisdiction stack |
| Anti-fit | not for non-coding tasks; high cost per session | not for non-Mistral stacks; not for users requiring full transparency of memory eviction policy; not for offline/air-gapped use |
At a glance
| Devin (Cognition) | Mistral Vibe (Remote Agents) + Mistral Medium 3.5 | |
|---|---|---|
| Section | Coding-agent memory | Coding-agent memory |
| Tier | T1 | T1 |
| Type | Server-side Knowledge + auto-Repo Knowledge ↗ vendor | Cloud-hosted async coding agents with teleportable session state ↗ vendor |
| Created | 2024-03 ↗ vendor | 2026-05-02 (Vibe + Medium 3.5 launch) ↗ vendor |
| Latest release | — | mistral-vibe v3.0.1 (2026-10-20) ↗ registry |
| License | — | Apache-2.0 (Vibe CLI); Modified MIT (Medium 3.5 weights) ↗ registry |
| GitHub | — | mistralai/mistral-vibe — ~4.9k stars, last commit not confirmed ↗ repo |
| Pricing | Free $0; Pro $20/mo; Max $200/mo; Teams $80/mo; Enterprise custom ↗ vendor | API: $1.5/M input tokens; $7.5/M output tokens (Medium 3.5); Vibe via Pro/Team/Enterprise plans ↗ vendor |
| Funding | Series E ›$2B at $48B post-money (a16z/Accel, Sep 2026); prior Series D ›$1B at $26B (May 2026) ↗ vendor | $2.71B total raised; Series C €1.7B (ASML lead) Sep 2025; $830M debt Mar 2026 ↗ third-party |
| Backend storage | custom ↗ vendor | custom (Mistral-managed sandboxes) ↗ vendor |
| Deployment | Both ↗ vendor | Managed cloud (la Plateforme + Le Chat) + NVIDIA NIM containers ↗ vendor |
| API surface | REST, Slack integration ↗ vendor | REST + CLI (Mistral CLI) + Le Chat web; SDK Python/JS ↗ vendor |
| Embedding | locked ↗ vendor | Mistral embed-v2 (default; multiple supported) ↗ vendor |
| Multi-tenancy | Enterprise dedicated SaaS keeps customer data in customer tenant; on-prem and VPC deployment options available ↗ vendor | hard-isolation (per-session sandbox) ↗ vendor |
| MCP | via official adapter — Devin supports MCP servers ↗ vendor | native (first-party — Mistral Agents support MCP) ↗ vendor |
| A2A | searched not found | searched not found |
| OpenTelemetry | searched not found | searched not found |
| Optimised for | autonomous SWE work + structured Knowledge ↗ vendor | async parallel coding agents with teleportable session state; SWE-Bench-leading model (77.6%); EU-jurisdiction stack ↗ vendor |
| Anti-fit | not for non-coding tasks; high cost per session ↗ vendor | not for non-Mistral stacks; not for users requiring full transparency of memory eviction policy; not for offline/air-gapped use ↗ vendor |
Taxonomy
| Axis | Devin (Cognition) | Mistral Vibe (Remote Agents) + Mistral Medium 3.5 |
|---|---|---|
| storage | kv | kv |
| retrieval | injection | injection |
| persistence | cross-session | cross-session |
| update | agent-controlled | append-only |
| unit | fact | episode |
| governance | inspectable | opaque |
| conflict | none | none |
Pros & cons
Devin (Cognition)
Pros: Most aggressive memory model in the coding-agent space — explicit knowledge base + file-backed task notes + persistent terminal sessions.
Cons: Memory features only available inside the Devin product; not portable to other agents.
Mistral Vibe (Remote Agents) + Mistral Medium 3.5
Pros: Async parallel coding agents with teleportable session state; broad ecosystem integrations (GitHub/Linear/Jira/Sentry); SWE-Bench-leading model; weights open; EU-jurisdiction stack.
Cons: Vibe service closed; SWE-Bench claim is vendor self-report; no third-party reproduction yet; pricing tied to Pro/Team/Enterprise tiers; opaque memory eviction policy.