Claude Opus 5.5 vs GPT-6 Sol
Change modelsClaude Opus 5.5Anthropic
GPT-6 SolOpenAI
IndexAll categories, out of 100.
78.6 ±2.4 best
72.8 ±2.2
GapIndex points below the top.
Top
−5.8
CoverageIndex weight that has results.
95%
100% best
SpeedOutput tokens per second.
76/s best
61/s
EloLMArena rating and rank.
1513 best
1397
ReleasedMonth of release.
2026-09
2026-09
Input / 1MUS dollars per 1M input tokens.
$4.00
$2.00 best
Output / 1MUS dollars per 1M output tokens.
$20.00
$10.00 best
Batch output / 1MBatch price per 1M output tokens.
$10.00
$5.00 best
1K chats2K tokens in, 500 out, each.
$18.00
$9.00 best
1K documents20K tokens in, 1K out, each.
$100.00
$50.00 best
1K agent tasks200K tokens in, 20K out, each.
$1,200.00
$600.00 best
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
74.1 best
68.6
CodingCode writing and repair.
81.8 best
73.9
ReasoningLogic problems and puzzles.
80.8 best
76.1
MultimodalTasks with images and text.
74.1 best
70.1
KnowledgeFacts and expert knowledge.
79.2 best
71.9
MultilingualTasks in many languages.
—
65.5
InstructionTasks with strict prompt rules.
59.6
65.3 best
MathMath problems.
77.7 best
75.8
Benchmarks
83 sharedOnly Claude Opus 5.5: 74Only GPT-6 Sol: 11
Claude Opus 5.5
GPT-6 Sol