{"slug":"sei-rpc","title":"Fastest free Sei RPC, live no-key EVM endpoint latency","subtitle":"HTTP round-trip latency for the `eth_getBlockByNumber(\\\"latest\\\", false)` method against every free, no-key public Sei EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":94.4051,"leader":{"name":"Sei Labs","slug":"sei-official","value":94.4051},"rankings":[{"name":"Sei Labs","slug":"sei-official","ms":{"p50":94.4051,"p90":339.73,"p99":751.067,"mean":149.789},"successRate":99.76660000000001,"sampleSize":4294.8},{"name":"Stakeme","slug":"stakeme","ms":{"p50":206.712,"p90":262.735,"p99":1463.72,"mean":256.632},"successRate":99.7205,"sampleSize":4295.78}],"sparkline":[147.756,157.199,138.04,118.17,107.387,144.74,151.244,161.221,141.136,134.755,126.937,105.033,106.444,135.77,171.936,166.751,135.81,115.204,119.043,144.721,154.906,164.857,146.996,125.101,109.549,119.151,130.051,170.034,162.629,146.943,109.653,105.432,114.935,141.794,176.673,177.539,156.38,118.592,109.858,128.798,158.33,161.529,154.849,132.922,134.391,119.981,119.616,168.103,216.198,216.211,166.577,118.251,112.026,151.016,189.337,200.157,170.045,130.511,130.779,120.152,123.708,154.849,215.463,226.824,192.957,133.625,131.571,203.416,239.227,278.699,211.945,184.616,131.483],"sampleSize":12902.36,"asOf":"2026-08-14T16:32:56.607Z","headline":"Sei Labs leads rpc latency at 94 ms (p50, 24h) on Fastest free Sei RPC, live no-key EVM endpoint latency.","quote":"Sei Labs leads rpc latency at 94 ms (p50, 24h) on Fastest free Sei RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/sei-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Sei RPC, live no-key EVM endpoint latency\". Retrieved 2026-08-14. https://openchainbench.com/benchmarks/sei-rpc","bibtex":"@misc{ocb_sei_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Sei RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/sei-rpc},\n  note   = {Retrieved 2026-08-14}\n}","apa":"OpenChainBench. (2026). Fastest free Sei RPC, live no-key EVM endpoint latency. Retrieved August 14, 2026, from https://openchainbench.com/benchmarks/sei-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Sei RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/sei-rpc\r\nY2  - 2026-08-14\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/sei-rpc","ogImage":"https://openchainbench.com/api/og/sei-rpc","source":"https://github.com/ChainBench/OpenChainBench/tree/main/harnesses/rpc-capabilities","methodology":["Cadence: every 60 seconds per provider, from each of 3 probe regions (us-east Virginia, eu-west Amsterdam, sgp Singapore). Headline p50/p90/p99 aggregate across all 3 regions via Prometheus `avg(quantile_over_time(...))`; per-region breakdowns are first-class on this page via the region tabs.","Payload: `{\"jsonrpc\":\"2.0\",\"id\":<rotating>,\"method\":\"eth_getBlockByNumber\",\"params\":[\"latest\", false]}`. Plain HTTP POST, identical for every endpoint, no API key in any request. Non-cacheable by design: the rotating id defeats edge caches that would answer a bare head query without touching a node.","Latency: client-side round-trip delta in milliseconds, exposed as both a gauge and a histogram (buckets 50 ms → 10 s), so percentiles are computed via Prometheus `quantile_over_time` over the last 24 hours.","Call-result classification: `ok` (HTTP 200 + non-empty result with a parsable hex block number), `http_err`, `jsonrpc_err` (HTTP 200 carrying an error body), `stale` (more than 25 blocks behind the cross-provider tip), `timeout`. Latency without reliability is a misleading ranking signal.","This page is part of the per-chain RPC cluster derived from the cross-chain [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities) benchmark; the identical harness, cadence and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to `chain=\"sei\"`. Provider coverage: 3 no-key endpoints. dRPC removed (500 persistent internal error)."],"license":"CC-BY-4.0"}