GPT-5.4 Pro vs Step 5 Preview
Change modelsGPT-5.4 ProOpenAI
Step 5 PreviewStepFun
IndexAll categories, out of 100.
73.3 ±8.7 best
68.4 ±3.7
GapIndex points below the top.
Top
−4.9 · no clear gap
CoverageIndex weight that has results.
60%
90% best
SpeedOutput tokens per second.
21/s
105/s best
EloLMArena rating and rank.
—
1443
ReleasedMonth of release.
2026-03
2026-09
Input / 1MUS dollars per 1M input tokens.
$30.00
$1.00 best
Output / 1MUS dollars per 1M output tokens.
$180.00
$2.70 best
Batch output / 1MBatch price per 1M output tokens.
$90.00
—
1K chats2K tokens in, 500 out, each.
$150.00
$3.35 best
1K documents20K tokens in, 1K out, each.
$780.00
$22.70 best
1K agent tasks200K tokens in, 20K out, each.
$9,600.00
$254.00 best
ContextMaximum tokens in one request.
1.05M best
1M
AgenticMulti-step tasks with tools.
70.5 best
68.8
CodingCode writing and repair.
—
71.4
ReasoningLogic problems and puzzles.
80.4 best
67.4
MultimodalTasks with images and text.
—
62.2
KnowledgeFacts and expert knowledge.
67.2 best
63.5
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
—
—
MathMath problems.
75.3 best
61.7
Benchmarks
3 sharedOnly GPT-5.4 Pro: 15Only Step 5 Preview: 59
GPT-5.4 Pro
Step 5 Preview