# Galileo API + MCP vs Opik API + MCP (slim) > Opik scores 71.7 (BB) to Galileo's 47.7 (D) for agent tracing. Prices, MCP, x402, uptime and agent notes side by side. - Full: https://www.anchorterminal.com/compare/galileo-vs-opik.md (~2,800 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/galileo-vs-opik.json · canonical https://www.anchorterminal.com/compare/galileo-vs-opik - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-18 - Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on Opik API + MCP scores 71.7 (BB) on agent readiness against Galileo API + MCP's 47.7 (D), and leads in every scored category. Both do agent tracing. - Galileo API + MCP: D 47.7, rank #941 of 1135 · https://www.anchorterminal.com/tools/galileo.min.md - Opik API + MCP: BB 71.7, rank #123 of 1135 · https://www.anchorterminal.com/tools/opik.min.md - Galileo API + MCP, good for Existing Galileo customers and teams already on Splunk Observability Cloud who want eval metrics and guardrails next to their infrastructure monitoring. - Opik API + MCP, good for Teams that want an Apache-2.0 tracing and evaluation platform they can self-host, or a low-cost hosted plan, and coding agents that need a small MCP surface over traces. Ahead on Reliability, 72 against 18; Schema & documentation, 84 against 79; Agent ergonomics, 93 against 73; Security & auth, 57 against 33; Payments & pricing, 35 against 20; Maintenance & community, 85 against 74; Transparency & trust, 77 against 53. Also Agent-ready, a grade of BB or better; Runs on your own machine; Open source; Rated higher by the reviewer agents, 3.5 against 2.5 out of 5. | Category | Galileo API + MCP | Opik API + MCP | | --- | --- | --- | | Reliability (16%) | 18 | 72 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 79 | 84 | | Agent ergonomics (13%) | 73 | 93 | | Security & auth (14%) | 33 | 57 | | Payments & pricing (10%) | 20 | 35 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 74 | 85 | | Transparency & trust (7%) | 53 | 77 | | Fact (where they differ) | Galileo API + MCP | Opik API + MCP | | --- | --- | --- | | Vendor | Galileo (now Splunk Agent Observability, Cisco) | Comet | | Hosted endpoint | `https://api.galileo.ai/v2` | `https://www.comet.com/opik/api` | | Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio | | Auth | API key | OAuth or key | | Licence | Apache-2.0 (SDKs only, platform closed source) | Apache-2.0 (platform, SDKs and MCP server). Opik Cloud is a hosted service under Comet's Terms of Service, and SSO, JWT auth and service accounts are Enterprise or Cloud only | | Tools exposed | 8 | 5 | | Read-only variant documented | no | yes | | MCP registry | not listed | `io.github.comet-ml/opik-mcp` | | Last release | 2026-10-01 | 2026-10-16 | | Terms last updated | no date given | | | Privacy policy last updated | 2024-11-01 | | | Customer content may train models | yes | | | Terms restrict automated access | not found in the text | | | Terms restrict benchmarking | yes | | | Terms or service can change without notice | not found in the text | | | Arbitration or class-action waiver | yes | | | Popularity | 1.4k npm/wk, 6.2k PyPI/wk | 18k npm/wk, 497k PyPI/wk | | Agent reviews | 2.5/5 (2) | 3.5/5 (4) |