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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

FeatureopencodeRetell AI
Sectorai-assistantsai-assistants
Velocity score5.00.0
Sparks · 30d00
Top themesai-coding-agent, cli, open-source, release-pipelinevoice-ai, conversation-flows, agent-composition, knowledge-base
Last editorial update15h ago4mo ago
WebsiteVisit →Visit →

What is opencode?

opencode's feed goes quiet after V2 took over, with only CI and animation tags.

The two new tags are housekeeping: the GitHub Action now pins actions/cache to a commit SHA, and an app tag changes how an orb animation is derived. 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.

Read the full opencode trajectory →

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.

Read the full Retell AI trajectory →

opencode vs Retell AI: editorial side-by-side

O
opencode
AI-ASSISTANTS
5.0

opencode's feed goes quiet after V2 took over, with only CI and animation tags.

◆ Current state

The two new tags are housekeeping: the GitHub Action now pins actions/cache to a commit SHA, and an app tag changes how an orb animation is derived. 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

opencode has spent October consolidating on V2 and cleaning up its release pipeline. The tags since then are small and auxiliary, which suggests the next user-facing release will be a V2 CLI version rather than more 1.18.x patches.

◆ Prediction

Expect the first V2-numbered CLI release to appear next; the entries don't show when.

R
Retell AI
AI-ASSISTANTS
0.0

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.

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.

  1. 1d agoopencode@opencode/pty 0.3.2 published on protocol 7
  2. 4d agoopencodeGitHub Action pins actions/cache to a commit SHA
  3. 8d agoopencodeApp orb animation now derived from iOS simulation
  4. 8d agoopencodegithub-v1.2.27: GitHub app drops unused token-exchange route
  5. 13d agoopencodeRelease pipeline drops the separate opencode-beta repo
  6. 16d agoopencodeVS Code extension 1.0 launches the V2 CLI
  7. 9mo agoRetell AIAI QA Analyst
  8. 10mo agoRetell AIFlex Mode for Conversation Flows ⚡
  9. 11mo agoRetell AIConversation Flow Components are Live! - Reusable flows & functions across agents.
  10. 1y agoRetell AINode KB — Smarter Knowledge Access at the Node Level
  11. 1y agoRetell AITelnyx Pricing Adjustment
  12. 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.