Claude Fable 5.1 vs GPT-5.6 Sol
Change modelsClaude Fable 5.1Anthropic
GPT-5.6 SolOpenAI
IndexAll categories, out of 100.
76.2 ±2.4 best
73.0 ±1.9
GapIndex points below the top.
Top
−3.2
CoverageIndex weight that has results.
95%
100% best
SpeedOutput tokens per second.
69/s best
64/s
EloLMArena rating and rank.
1512 best
1457
ReleasedMonth of release.
2026-09
2026-07
Input / 1MUS dollars per 1M input tokens.
$10.00
$4.40 best
Output / 1MUS dollars per 1M output tokens.
$50.00
$22.00 best
Batch output / 1MBatch price per 1M output tokens.
$25.00
$10.00 best
1K chats2K tokens in, 500 out, each.
$45.00
$19.80 best
1K documents20K tokens in, 1K out, each.
$250.00
$110.00 best
1K agent tasks200K tokens in, 20K out, each.
$3,000.00
$1,320.00 best
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
71.1
71.9 best
CodingCode writing and repair.
77.7 best
70.4
ReasoningLogic problems and puzzles.
75.8
76.3 best
MultimodalTasks with images and text.
77.9 best
72.6
KnowledgeFacts and expert knowledge.
77.2 best
72.7
MultilingualTasks in many languages.
—
66.4
InstructionTasks with strict prompt rules.
74.3 best
64.5
MathMath problems.
77.0 best
75.1
Benchmarks
82 sharedOnly Claude Fable 5.1: 50Only GPT-5.6 Sol: 43
Claude Fable 5.1
GPT-5.6 Sol