Claude Haiku 5.5
Anthropic. Run in Claude Code, Raw API call. One-shot API tests only so far (v5.4.19-api).
7 runs on 7 prompts · 100% finished
Results
The best run of each of its 7 tests first, then every other run. Filter them in the explorer
7 finished runs
Live sceneFour-stroke engine cutaway: crank, piston and cam-driven valves (Three.js)
Claude Haiku 5.5
Raw API (one-shot)
raw API baseline
Live sceneHot air balloon festival over rolling fields (Three.js)
Claude Haiku 5.5
Raw API (one-shot)
raw API baseline
Live scene
Live scene
Live scene
Live demo
Live demo
Numbers: finish rate, cost, wall time, draft scores
- Runs
- 7
- on 7 prompts
- Finished
- 100%
- 7 of 7
- Median cost, finished run
- not recorded
- n=0
- Median wall time, finished run
- 7m 56s
- n=7
- Recorded spend
- $0
- $0 on unfinished runs; 7 without a recorded cost
From the numbers
Set against the other models with at least 3 runs (top or bottom third), and its draft-score ranks within single prompts. Nothing here is averaged across prompts.
Strengths
- 7 of 7 runs finished: 1st of 24 models with at least 3 (finish rate)
Weaknesses
- Nothing stands out with enough runs to say so.
Best and hardest run
Best run
Picked as its fastest finished run (no scored result yet).
-
Claude Haiku 5.5, raw API call, Hot air balloon festival over rolling fields (Three.js)
Raw API call, via Anthropic
raw API baseline
2m 40s
not recorded: the run's token counts were never reported, so there is no estimate
OK
Unscored: no rubric for this prompt
Hardest run
Picked as its slowest finished run.
-
Claude Haiku 5.5, Claude Code, threejs_octopus_reef
Claude Code 2.1.280, high effort, via Anthropic
skills on · Claude Code 2.1.280 + default skills kit
17m 49s
not recorded: the run's token counts were never reported, so there is no estimate
OK
Unscored: no rubric for this prompt
Draft scores by prompt
No scored result yet (only prompts with a published rubric are scored).
By harness
| Claude Code | 5 | 5 | 100% | not recorded: no finished run with a recorded cost | 8m 07s n=5 |
|---|---|---|---|---|---|
| Raw API call | 2 | 2 | 100% | not recorded: no finished run with a recorded cost | 3m 08s n=2 |
All 7 tests and experiment collections
- Four-stroke engine cutaway: crank, piston and cam-driven valves (Three.js) (1 run)
- Hot air balloon festival over rolling fields (Three.js) (1 run)
- Octopus reef (1 run)
- Js13k style shader game (1 run)
- Game battleship (1 run)
- Sorting race (1 run)
- Pathfinding race (1 run)
Experiment collections: HTML Files (5) · Three.js (5) · Harness lane (7)