{"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":175.667,"leader":{"name":"Mode Labs","slug":"mode-official","value":175.667},"rankings":[{"name":"Mode Labs","slug":"mode-official","ms":{"p50":175.667,"p90":186,"p99":399,"mean":182.032},"successRate":100,"sampleSize":3702.7},{"name":"dRPC","slug":"drpc","ms":{"p50":192.667,"p90":346,"p99":895,"mean":246.378},"successRate":80.8485,"sampleSize":3676.71},{"name":"1RPC","slug":"1rpc","ms":{"p50":306.333,"p90":518.033,"p99":3855.56,"mean":416.849},"successRate":70.851,"sampleSize":3656.25}],"sparkline":[204.49,193.145,191.796,185.212,185.229,182.774,183.049,181.122,183.514,181.181,188.675,184.947,184.001,175.993,175.984,176.452,175.64,176.373,175.736,177.4,175.811,177.954,179.806,180.447,178.397,176.391,177.42,177.04,180.314,185.217,186.056,181.315,176.797,177.399,185.264,183.7,184.815,178.951,180.546,184.203,182.728,181.494,182.335,187.496,189.351,186.161,183.74,189.501,188.154,188.044,182.321,183.186,181.796,185.259,184.657,185.756,180.863,179.517,177.973,178.255,180.677,180.203],"sampleSize":14752.369999999999,"asOf":"2026-07-27T11:46:07.655Z","headline":"Mode Labs leads rpc latency at 176 ms (p50, 24h) on Fastest free Mode RPC, live no-key EVM endpoint latency.","quote":"Mode Labs leads rpc latency at 176 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 2026-07-27. 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 2026-07-27}\n}","apa":"OpenChainBench. (2026). Fastest free Mode RPC, live no-key EVM endpoint latency. Retrieved July 27, 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  - 2026-07-27\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"}