GPT-5 (high) vs Grok 4.3
Change modelsGPT-5 (high)OpenAI
Grok 4.3xAI
IndexAll categories, out of 100.
53.5 ±5.0 best
53.2 ±3.6
GapIndex points below the top.
Top
−0.3 · no clear gap
CoverageIndex weight that has results.
95%
95%
SpeedOutput tokens per second.
76/s best
61/s
EloLMArena rating and rank.
1406 best
1397
ReleasedMonth of release.
2025-08
2026-04
Input / 1MUS dollars per 1M input tokens.
$1.25
$1.25
Output / 1MUS dollars per 1M output tokens.
$10.00
$2.50 best
Batch output / 1MBatch price per 1M output tokens.
—
$2.00
1K chats2K tokens in, 500 out, each.
$7.50
$3.75 best
1K documents20K tokens in, 1K out, each.
$35.00
$27.50 best
1K agent tasks200K tokens in, 20K out, each.
$450.00
$300.00 best
ContextMaximum tokens in one request.
400K
1M best
AgenticMulti-step tasks with tools.
49.7
50.4 best
CodingCode writing and repair.
59.4 best
53.1
ReasoningLogic problems and puzzles.
54.3 best
49.0
MultimodalTasks with images and text.
51.6
56.7 best
KnowledgeFacts and expert knowledge.
55.9
56.9 best
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
57.3
59.2 best
MathMath problems.
49.0
57.3 best
Benchmarks
9 sharedOnly GPT-5 (high): 6Only Grok 4.3: 42
GPT-5 (high)
Grok 4.3