{"slug":"mode-rpc","title":"Fastest free Mode 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 Mode EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":175.025,"leader":{"name":"Mode Labs","slug":"mode-official","value":175.025},"rankings":[{"name":"Mode Labs","slug":"mode-official","ms":{"p50":175.025,"p90":182.493,"p99":200.139,"mean":177.498},"successRate":100,"sampleSize":4315.83},{"name":"dRPC","slug":"drpc","ms":{"p50":389.086,"p90":898.321,"p99":1159.13,"mean":442.351},"successRate":92.8272,"sampleSize":4308.83}],"sparkline":[178.074,178.605,178.985,177.997,176.902,176.112,176.414,176.915,177.052,202.423,202.11,201.418,175.455,174.816,174.646,173.721,173.364,172.775,172.678,172.528,172.712,172.796,173.024,173.055,172.856,172.471,172.094,172.023,172.174,173.005,172.778,172.737,172.184,172.44,172.48,172.488,172.961,173.44,173.907,174.029,174.39,174.56,175.323,175.51,176.26,176.887,177.795,178.314,178.29,178.403,179.027,179.86,181.695,181.604,180.933,179.484,178.442,177.904,178.458,178.859,178.979,177.84,179.471,181.408,182.12,183.708,182.187,181.569,179.109,179.902,181.13,180.514,179.781],"sampleSize":17243.32,"asOf":"2026-09-10T13:26:48.034Z","headline":"Mode Labs posts the lowest rpc latency at 175 ms (p50, 24h) on Fastest free Mode RPC, live no-key EVM endpoint latency.","quote":"Mode Labs posts the lowest rpc latency at 175 ms (p50, 24h) on Fastest free Mode RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/mode-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Mode RPC, live no-key EVM endpoint latency\". Retrieved 2026-09-10. https://openchainbench.com/benchmarks/mode-rpc","bibtex":"@misc{ocb_mode_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Mode RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/mode-rpc},\n  note   = {Retrieved 2026-09-10}\n}","apa":"OpenChainBench. (2026). Fastest free Mode RPC, live no-key EVM endpoint latency. Retrieved September 10, 2026, from https://openchainbench.com/benchmarks/mode-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Mode RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/mode-rpc\r\nY2  - 2026-09-10\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/mode-rpc","ogImage":"https://openchainbench.com/api/og/mode-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=\"mode\"`. Provider coverage at launch: 4 no-key endpoints."],"license":"CC-BY-4.0"}