Claude Opus 4.5 Thinking vs Claude Sonnet 4.6
Change modelsClaude Opus 4.5 ThinkingAnthropic
Claude Sonnet 4.6Anthropic
IndexAll categories, out of 100.
56.3 ±4.2
57.0 ±2.5 best
GapIndex points below the top.
−0.7 · no clear gap
Top
CoverageIndex weight that has results.
95%
100% best
SpeedOutput tokens per second.
—
44/s
EloLMArena rating and rank.
—
1458
ReleasedMonth of release.
2025-11
2026-02
Input / 1MUS dollars per 1M input tokens.
—
$3.00
Output / 1MUS dollars per 1M output tokens.
—
$15.00
Batch output / 1MBatch price per 1M output tokens.
—
$7.50
1K chats2K tokens in, 500 out, each.
—
$13.50
1K documents20K tokens in, 1K out, each.
—
$75.00
1K agent tasks200K tokens in, 20K out, each.
—
$900.00
ContextMaximum tokens in one request.
200K
1M best
AgenticMulti-step tasks with tools.
59.7
59.7
CodingCode writing and repair.
54.4
58.9 best
ReasoningLogic problems and puzzles.
54.2
56.4 best
MultimodalTasks with images and text.
57.3 best
53.9
KnowledgeFacts and expert knowledge.
59.0 best
57.2
MultilingualTasks in many languages.
—
56.6
InstructionTasks with strict prompt rules.
43.2 best
27.5
MathMath problems.
57.2 best
54.1
Benchmarks
27 sharedOnly Claude Opus 4.5 Thinking: 10Only Claude Sonnet 4.6: 54
Claude Opus 4.5 Thinking
Claude Sonnet 4.6