{"i":3,"slug":"model-head-to-head","chart":{"id":"h2h-frontier","title":"Speed, cost and quality frontier","subtitle":"Median seconds against list-price cost per passing answer; pass rate in the note","kind":"scatter","unit":"seconds","xLabel":"USD per passing answer (list-price calculation)","yLabel":"Median total seconds","series":[{"name":"Claude Code","points":{"$k":["label","x","value","n","highlight"],"$r":[["Claude Fable 5.1 · Claude Code",0.02054,1.94,15,true],["Claude Sonnet 5.5 · Claude Code",0.00624,2.31,15,true],["Claude Opus 5.5 (high) · Claude Code",0.01049,2.71,15,true],["Claude Opus 5.5 · Claude Code",0.01009,2.75,15,true],["Claude Opus 5.5 (low) · Claude Code",0.00829,2.83,15,true],["Claude Haiku 4.5 · Claude Code",0.00836,4.43,15,false]]}},{"name":"Codex CLI","points":{"$k":["label","x","value","n","highlight"],"$r":[["GPT-6.1 Sol (high) · Codex CLI",0.01322,5.6,15,false],["GPT-6.1 Sol (medium) · Codex CLI",0.01564,5.65,15,false],["GPT-6.1 Sol (low) · Codex CLI",0.00998,6.26,10,false]]}}],"note":"Lower-left is better. Highlighted points are on the frontier: no other configuration is at least as fast, as cheap per pass and as accurate. Frontier: Claude Fable 5.1 · Claude Code; Claude Sonnet 5.5 · Claude Code; Claude Opus 5.5 (high) · Claude Code; Claude Opus 5.5 · Claude Code; Claude Opus 5.5 (low) · Claude Code. Pass rates: Claude Fable 5.1 · Claude Code 15/15; Claude Sonnet 5.5 · Claude Code 12/15; Claude Opus 5.5 (high) · Claude Code 15/15; Claude Opus 5.5 · Claude Code 15/15; Claude Opus 5.5 (low) · Claude Code 15/15; Claude Haiku 4.5 · Claude Code 15/15; GPT-6.1 Sol (high) · Codex CLI 15/15; GPT-6.1 Sol (medium) · Codex CLI 15/15; GPT-6.1 Sol (low) · Codex CLI 10/10. Costs are calculations from tokens; medians come from small samples.","sourceIds":["agent-provider-h2h","calc-repricing","price-anthropic","price-openai"]}}