Claude Opus 4.8 vs Kimi K3
Change modelsClaude Opus 4.8Anthropic
Kimi K3Moonshot AI
IndexAll categories, out of 100.
67.7 ±2.0 best
66.9 ±2.4
GapIndex points below the top.
Top
−0.8 · no clear gap
CoverageIndex weight that has results.
100% best
95%
SpeedOutput tokens per second.
69/s best
44/s
EloLMArena rating and rank.
1454
1474 best
ReleasedMonth of release.
2026-05
2026-07
Input / 1MUS dollars per 1M input tokens.
$5.00
$0.192 best
Output / 1MUS dollars per 1M output tokens.
$25.00
$16.00 best
Batch output / 1MBatch price per 1M output tokens.
$12.50
$11.40 best
1K chats2K tokens in, 500 out, each.
$22.50
$8.38 best
1K documents20K tokens in, 1K out, each.
$125.00
$19.84 best
1K agent tasks200K tokens in, 20K out, each.
$1,500.00
$358.40 best
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
66.5 best
65.9
CodingCode writing and repair.
68.3 best
66.2
ReasoningLogic problems and puzzles.
68.0 best
67.7
MultimodalTasks with images and text.
66.5 best
65.6
KnowledgeFacts and expert knowledge.
66.4 best
66.3
MultilingualTasks in many languages.
60.3
—
InstructionTasks with strict prompt rules.
59.7
71.0 best
MathMath problems.
71.2 best
66.6
Benchmarks
74 sharedOnly Claude Opus 4.8: 28Only Kimi K3: 55
Claude Opus 4.8
Kimi K3