GPT-5 (medium) vs Grok 4.3
Change modelsGPT-5 (medium)OpenAI
Grok 4.3xAI
IndexAll categories, out of 100.
52.9 ±9.2
53.2 ±3.6 best
GapIndex points below the top.
−0.3 · no clear gap
Top
CoverageIndex weight that has results.
65%
95% best
SpeedOutput tokens per second.
76/s best
61/s
EloLMArena rating and rank.
—
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.
60.0 best
50.4
CodingCode writing and repair.
—
53.1
ReasoningLogic problems and puzzles.
48.1
49.0 best
MultimodalTasks with images and text.
51.8
56.7 best
KnowledgeFacts and expert knowledge.
54.8
56.9 best
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
55.0
59.2 best
MathMath problems.
—
57.3
Benchmarks
8 sharedOnly Grok 4.3: 43
GPT-5 (medium)
Grok 4.3