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Model results

Claude Opus 4.8

See how Claude Opus 4.8 performed, which reasoning settings were tested, how often it produced a working player program, and what those runs cost.

Claude Opus 4.8

Provider: Anthropic

Rank
6
Status
Complete 3/3
Rank change
Baseline
Score
53.9
Last tested
2026-08-05
Settings tested
All settings tested

Scores by reasoning setting

Available settings

Thinking field omittedLowMediumHighXHighMax

Checked on 2026-07-21 · Provider documentation

Scores from tested settings

Tested settingScoreResult statusDisplay group
Thinking field omitted47.5Tested and includedBaseline
Medium47.4Tested and includedBalanced
XHigh66.6Tested and includedIntensive

How settings are grouped

  • Baseline: Thinking field omitted — tested and included
  • Balanced: Medium — tested and included
  • Intensive: XHigh — tested and included

Player program results

XHigh: 75% / 13% / 12% · n 8Medium: 100% / 0% / 0% · n 8Thinking field omitted: 88% / 0% / 12% · n 8 All settings tested

Generation cost

Average estimated cost
$0.44
Median estimated cost
$0.20
Estimated range
$0.13–$1.39
Cost data
24 combinations / 24 recorded runs
Observed total
$10.46
Price source
Standard list-price estimate
Price list
boardgame-list-prices-2026-08-08
Average output
15k tokens
Output range
2.9k–52k tokens
Samples
24

Estimated cost gives equal weight to each model, game, and reasoning-setting combination.

Test setup

  • Combines this model's tested reasoning settings
  • Uses the standard GameBench player-program prompt