Claude Sonnet 5.5 vs Gemini 4 Carbon

Change models
IndexAll categories, out of 100.
77.2 ±2.6
82.7 ±5.1 best
GapIndex points below the top.
−5.5 · no clear gap
Top
CoverageIndex weight that has results.
95% best
80%
SpeedOutput tokens per second.
107/s best
31/s
EloLMArena rating and rank.
1469
1538 best
ReleasedMonth of release.
2026-09
2026-10
Input / 1MUS dollars per 1M input tokens.
$2.00
$2.00
Output / 1MUS dollars per 1M output tokens.
$10.00
$10.00
Batch output / 1MBatch price per 1M output tokens.
$5.00
$5.00
1K chats2K tokens in, 500 out, each.
$9.00
$9.00
1K documents20K tokens in, 1K out, each.
$50.00
$50.00
1K agent tasks200K tokens in, 20K out, each.
$600.00
$600.00
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
77.5
83.2 best
CodingCode writing and repair.
80.8 best
80.5
ReasoningLogic problems and puzzles.
77.8
83.9 best
MultimodalTasks with images and text.
74.4
—
KnowledgeFacts and expert knowledge.
71.3
79.5 best
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
41.5
—
MathMath problems.
76.1
77.2 best

Benchmarks

32 shared
Only Claude Sonnet 5.5: 96Only Gemini 4 Carbon: 7
Claude Sonnet 5.5
Gemini 4 Carbon
82.7% best23 / 217
79.3%52 / 217
95.6%4 / 217
96.5% best1 / 217
100.0%1 / 200
100.0%1 / 200
51.5%17 / 164
58.3% best9 / 164
83.9%17 / 131
92.1% best5 / 131
96.5%11 / 126
97.5% best5 / 126
92.4% best2 / 123
89.1%9 / 123
90.1%16 / 122
97.9% best3 / 122
97.8%14 / 116
98.5% best6 / 116
46.5%39 / 91
77.7% best2 / 91
Chess PuzzlesReasoning
59.0%10 / 90
78.0% best2 / 90
88.8%10 / 90
90.5% best6 / 90
48.1%12 / 90
55.8% best1 / 90
42.0%10 / 82
51.8% best1 / 82
65.0%7 / 80
73.0% best5 / 80
80.5%11 / 72
95.1% best4 / 72
64.1% best3 / 61
63.1%4 / 61
14.57 / 54
19.1 best2 / 54
19.5 best3 / 54
18.44 / 54
75.0%7 / 37
77.5% best6 / 37