official benchmark page

PostTrainBench v1.1 leaderboard and methodology

PostTrainBench team · Published 2026-07-28

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Evidence from this source

Results and research linked to this document
Type	Evidence
Result	PostTrainBench · Fable 5 + Opus 4.8 Max GPQA fallback Source details Current v1.1 leaderboard, Fable 5 + Opus 4.8 Max GPQA fallback row and Methodology & caveats
Result	PostTrainBench · GLM 5.2, Max reasoning / Claude Code Source details Current v1.1 leaderboard, GLM 5.2, Max reasoning / Claude Code row and Methodology & caveats
Result	PostTrainBench · GPT-5.4, High reasoning / Codex CLI Source details Current v1.1 leaderboard, GPT-5.4, High reasoning / Codex CLI row and Methodology & caveats
Result	PostTrainBench · GPT-5.5, xHigh reasoning / Codex CLI Source details Current v1.1 leaderboard, GPT-5.5, xHigh reasoning / Codex CLI row and Methodology & caveats
Result	PostTrainBench · GPT-5.6 Sol, Max reasoning / Codex CLI Source details Current v1.1 leaderboard, GPT-5.6 Sol, Max reasoning / Codex CLI row and Methodology & caveats
Result	PostTrainBench · Gemini 3.1 Pro / OpenCode Source details Current v1.1 leaderboard, Gemini 3.1 Pro / OpenCode row and Methodology & caveats
Result	PostTrainBench · Grok 4.5, High reasoning / Cursor CLI Source details Current v1.1 leaderboard, Grok 4.5, High reasoning / Cursor CLI row and Methodology & caveats
Result	PostTrainBench · Kimi K3, 1M context / Claude Code Source details Current v1.1 leaderboard, Kimi K3, 1M context / Claude Code row and Methodology & caveats
Result	PostTrainBench · Claude Opus 4.7, xHigh reasoning / Claude Code Source details Current v1.1 leaderboard, Claude Opus 4.7, xHigh reasoning / Claude Code row and Methodology & caveats
Result	PostTrainBench · Claude Opus 4.8, High reasoning / Claude Code Source details Current v1.1 leaderboard, Claude Opus 4.8, High reasoning / Claude Code row and Methodology & caveats
Result	PostTrainBench · Claude Opus 4.8, Max reasoning / Claude Code Source details Current v1.1 leaderboard, Claude Opus 4.8, Max reasoning / Claude Code row and Methodology & caveats
Result	PostTrainBench · Claude Opus 5 / Claude Code Source details Current v1.1 leaderboard, Claude Opus 5 / Claude Code row and Methodology & caveats
Result	PostTrainBench · Locus (Intology, powered by Opus 5) Source details Current v1.1 leaderboard, Locus (Intology, powered by Opus 5) row and Methodology & caveats
Benchmark	PostTrainBench Source details Current v1.1 leaderboard and Methodology & caveats

Document tracking details

Source ID: src-posttrainbench-v11-site
Source type: Primary
Original URL: https://posttrainbench.com/
Retrieved URL: https://posttrainbench.com/
Last updated by publisher: 2026-09-17
Access status: available
Retrieved: 2026-09-28T17:53:28Z

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2026-09-28T17:53:28Z · success: Web-crawler live table inspected; local TLS access failed. Snapshot scores pinned separately to maintainer repository.