Claude Opus 4.5 vs Claude Opus 4.6 (Adaptive)
Change modelsClaude Opus 4.5Anthropic
Claude Opus 4.6 (Adaptive)Anthropic
IndexAll categories, out of 100.
52.0 ±2.1
60.0 ±4.7 best
GapIndex points below the top.
−8.0
Top
CoverageIndex weight that has results.
100% best
95%
SpeedOutput tokens per second.
39/s
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EloLMArena rating and rank.
1451
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ReleasedMonth of release.
2025-11
2026-02
Input / 1MUS dollars per 1M input tokens.
$5.00
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Output / 1MUS dollars per 1M output tokens.
$25.00
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Batch output / 1MBatch price per 1M output tokens.
$12.50
—
1K chats2K tokens in, 500 out, each.
$22.50
—
1K documents20K tokens in, 1K out, each.
$125.00
—
1K agent tasks200K tokens in, 20K out, each.
$1,500.00
—
ContextMaximum tokens in one request.
200K
1M best
AgenticMulti-step tasks with tools.
54.7
63.5 best
CodingCode writing and repair.
55.0
60.0 best
ReasoningLogic problems and puzzles.
51.8
61.0 best
MultimodalTasks with images and text.
42.2
58.8 best
KnowledgeFacts and expert knowledge.
54.6
62.6 best
MultilingualTasks in many languages.
56.6
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InstructionTasks with strict prompt rules.
41.2 best
38.6
MathMath problems.
51.3
57.3 best
Benchmarks
21 sharedOnly Claude Opus 4.5: 80Only Claude Opus 4.6 (Adaptive): 6
Claude Opus 4.5
Claude Opus 4.6 (Adaptive)