Openai / gpt-5.4-nano

xhigh

none low medium high xhigh

97.6% 199 / 204 fixtures · 1 run(s)

34,227 input / 78,582 total output / 74,664 reasoning within output tokens $0.10507290

Reliability by Benchmark (Text)

Loading reliability summary…

Text vs JSON Schema Comparison

Pass Rate Delta

-3.4% Text: 97.6% → JSON: 94.1%

+2

Gained

JSON pass / text fail

−9

Lost

Text pass / JSON fail

190

Unchanged Pass

Both pass

3

Unchanged Fail

Both fail

Fixture Reliability Delta

Fixture	Text	JSON	Delta

Benchmark Deltas

Benchmark	Text	JSON	Delta
branch_cleanup	100%	75%	-25%
merge_conflicts	91.7%	83.3%	-8.3%
rebase	91.7%	83.3%	-8.3%
commit_squash	100%	91.7%	-8.3%
submodule_usage	100%	91.7%	-8.3%
tag_management	100%	91.7%	-8.3%
worktree_usage	91.7%	100%	+ 8.3%
blame_forensics	100%	100%	+ 0%
cherry_pick	83.3%	83.3%	+ 0%
commit_messages	100%	100%	+ 0%
git_bisect	100%	100%	+ 0%
git_clean	100%	100%	+ 0%
git_grep	100%	100%	+ 0%
git_log_format	100%	100%	+ 0%
git_show	100%	100%	+ 0%
reflog	100%	100%	+ 0%
stash_recovery	100%	100%	+ 0%

Changed Fixtures (11)

f003 -loss f009 -loss f011 -loss f004 +gain f010 -loss f003 -loss f010 -loss f010 -loss f004 -loss f007 -loss f010 +gain

Fixture Gallery (204)

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merge_conflicts f001

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blame_forensics f001

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