Cherry Studio
Cherry Studio is on a v2.2.0 release branch, fed by automated backports.
Comparison · ai-assistants
opencode vs Retell AI
A side-by-side editorial comparison of opencode and Retell AI — release velocity, themes, recent moves, and the top alternatives to consider.
opencode vs Retell AI: at a glance
What is opencode?
opencode's process daemon reaches 0.5.0 and moves to protocol 8.
The newest tags are npm publishes of the process daemon: @opencode/pty moved through 0.3.x and 0.4.0 on protocol 7 and now 0.5.0 on protocol 8. Before that came a CI pin and an app animation change. The substantive changes remain V2's promotion to the main branch, the VS Code extension 1.0 that launches the V2 CLI, and the retirement of the separate beta repo.
What is Retell AI?
Voice-AI platform building toward composable, flexibly-routed agents
Retell builds voice AI agents, and the captured releases (through early 2026) center on making complex agents maintainable and adaptive: Agent Transfer for handing context between modular agents, Flex Mode for non-linear flow navigation, reusable Flow Components, and node-level knowledge bases. Add to that a chat widget, an AI QA Analyst, and periodic pricing adjustments.
opencode vs Retell AI: editorial side-by-side
opencode
5.0AI-ASSISTANTS
opencode's process daemon reaches 0.5.0 and moves to protocol 8.
◆ Current state
The newest tags are npm publishes of the process daemon: @opencode/pty moved through 0.3.x and 0.4.0 on protocol 7 and now 0.5.0 on protocol 8. Before that came a CI pin and an app animation change. The substantive changes remain V2's promotion to the main branch, the VS Code extension 1.0 that launches the V2 CLI, and the retirement of the separate beta repo.
◆ Where it's heading
The feed shows V2 infrastructure settling into separately versioned components. The protocol bump suggests the terminal layer the agent uses is still changing under the hood.
◆ Prediction
The entries don't show the next user-facing release; a CLI or extension update that adopts protocol 8 is the likely next visible tag.
Retell AI
0.0AI-ASSISTANTS
Voice-AI platform building toward composable, flexibly-routed agents
◆ Current state
Retell builds voice AI agents, and the captured releases (through early 2026) center on making complex agents maintainable and adaptive: Agent Transfer for handing context between modular agents, Flex Mode for non-linear flow navigation, reusable Flow Components, and node-level knowledge bases. Add to that a chat widget, an AI QA Analyst, and periodic pricing adjustments.
◆ Where it's heading
The arc is from rigid, single-purpose call flows toward modular, composable agent systems — reusable sub-agents and components, knowledge scoped per node, and flows that follow the caller rather than forcing a script. It's an enterprise-maintainability story layered on top of the core voice capability.
◆ Prediction
Expect continued investment in flow flexibility and agent composition, plus QA/observability tooling. Note the captured changelog runs only through January 2026, so recent cadence is unclear from this data.
Alternatives to opencode and Retell AI
Other ai-assistants products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either opencode or Retell AI.
Docling
Docling adds Surya 2.5 and calendar files while patching format edge cases daily.
InvokeAI
InvokeAI 7 reaches beta with projects and a single widget workbench as the new default.
Claude
Claude Enterprise lets finance teams tag project spend by cost code.
LobeChat
LobeHub v2.3.2 adds task labels, MCP Apps in chat and Copilot CLI as an agent.
DocsBot AI
DocsBot closes its launch week with Evals, a way to test bot changes before customers see them.
See all opencode alternatives → · See all Retell AI alternatives →
Recent activity from opencode and Retell AI
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 4d agoopencode@opencode/pty 0.5.0 moves to protocol 8
- 11d agoopencode@opencode/pty 0.4.0 published on protocol 7
- 11d agoopencode@opencode/pty 0.3.3 published on protocol 7
- 12d agoopencode@opencode/pty 0.3.2 published on protocol 7
- 16d agoopencodeGitHub Action pins actions/cache to a commit SHA
- 19d agoopencodeApp orb animation now derived from iOS simulation
- 9mo agoRetell AIAI QA Analyst
- 10mo agoRetell AIFlex Mode for Conversation Flows ⚡
- 11mo agoRetell AIConversation Flow Components are Live! - Reusable flows & functions across agents.
- 1y agoRetell AINode KB — Smarter Knowledge Access at the Node Level
- 1y agoRetell AITelnyx Pricing Adjustment
- 1y agoRetell AIAgent Transfer ⚡
Frequently asked questions
What is the difference between opencode and Retell AI?
They serve adjacent needs but don't currently overlap on shipped themes. opencode is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is opencode better than Retell AI?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. opencode is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other ai-assistants products to evaluate alongside.
What are the best alternatives to opencode?
Top opencode alternatives in ai-assistants are ranked by recent ship velocity. Browse the "opencode alternatives" section above for the current picks, or visit /alternatives/opencode for the full list with editorial commentary on each.
What are the best alternatives to Retell AI?
Top Retell AI alternatives in ai-assistants are ranked by recent ship velocity. Browse the "Retell AI alternatives" section above for the current picks, or visit /alternatives/retell for the full list with editorial commentary on each.