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Measured harness ledgerPublic result
GPT-5.6 Luna

Infinite cathedral corridor shader — GPT-5.6 Luna xhigh

Generate an infinite stained-glass cathedral corridor shader with convincing depth, architectural repetition, light, and motion.

xhigh reasoningHeadline result
Workflow cost
$0.21
Wall-clock
9:18.2 wall-clock
Processed tokens
420K processed
Record state
partial_token_timing_and_artifact_ledger
Public summary

GPT-5.6 Luna xhigh partial_token_timing_and_artifact_ledger ledger: 9:18.2 wall-clock, 420K processed, and $0.21 API-equivalent estimate, not a subscription invoice.

Run identity and stack
  • Result ID: infinite-cathedral-shadertoy-gpt-5.6-luna-xhigh
  • Technical model: gpt-5.6-luna
  • Provider: OpenAI Codex
  • Stack: OpenAI Codex
  • Stack: Technical model/configuration: gpt-5.6-luna
  • Stack: ShaderToy fragment shader
  • Stack: Harness v1 infinite cathedral prompt
Cost basis
  • Requests with more than 272,000 input tokens use long-context pricing; all 10 supplied calls were short-context.
  • Separately priced tools and non-token services are excluded.
Primary artifact integrity
  • Kind: shadertoy-fragment-shader
  • Path: artifacts/infinite-cathedral-shadertoy-gpt-5.6-luna-xhigh/cathedral_corridor.glsl
  • SHA-256: 06e68e55c4db62450736403e6157d4b231530e52df20021aa52504a8dd378ee2
Recorded caveats
  • Wall-clock is end-to-end latency, not model-only compute; it includes tool time and idle gaps between user turns.
  • Output tokens include hidden reasoning, visible prose/code, and tool-call JSON.
  • Cached input is deeply discounted, so total processed tokens overstate cost.
  • This is an API-equivalent estimate rather than the actual charge for a subscription-backed Codex session.
  • Separately priced tools and non-token services are excluded.
  • Cache-creation tokens are zero because the Codex transcript schema does not expose a cache-write field.
  • Subagent logs are excluded to avoid double-counting inherited parent context.
Visible evidence gaps
  • initial local FPS
  • optimized local FPS
  • RTX Pro 6000 1080p60 final capture
  • blind-evaluation record
Builder test available

This result is part of a Builder test. Open it for the exact prompt and any released projects, RemakeBench Harness workflows and production skills. Public proof and known evidence gaps stay visible here.

  • Tech Review 001 · v1
View Tech Review 001 · v1Return to GPT-5.6 Luna
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