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Anthropic
Anthropic
model systemcard
Claude Fable 5
#1
of 27 · general
1M
context
Proprietary
non-commercial
2026-06-09
released
paper ↗
Standing
dot = this model · shaded = the field's middle 60% · track = full field
General
95.7
#1
/27
Math
91.6
#1
/27
Coding
81.6
#2
/27
Health
76.6
#4
/26
Engineering
93.8
#2
/17
Analyst
80.0
#3
/11
Legal
72.5
#2
/26
Instruct
81.5
#2
/27
Agents
82.0
#3
/27
Professional
95.6
#2
/27
Multimodal
88.1
#2
/19
Hallucination
84.3
#1
/27
Speed
16.9
#22
/22
Value
71.8
#1
/27
Measured
≈ imputed · amber dot = lab-self-reported among the sources
GPQA Diamond
92.6%
#11
HLE
60.0%
#1
MMLU-Pro
91.5%
#2
LiveBench
80.6%
#2
SWE-bench V
95.0%
#3
LiveCodeBench
89.8%
#3
SciCode
60.2%
#1
CritPt
28.6%
#4
Terminal-Bench
82.6%
#4
APEX Agents
45.0%
#1
GDPval
62.0%
#2
Arena
1508
#1
AA Index
62.1
#2
Vals Index
75.1
#1
Epoch Capabilities Index
161.5
#2
Operations
$10
/
$50
$ per 1M tokens, in / out
$20
blended
63
tokens / sec
$1.44
$ per solved task
1508
arena elo · 16,056 votes
Series
Anthropic's models on the board, by release
Claude Fable 5
2026-06-09 · 96
→
Claude Sonnet 5
2026-06-30 · 60
→
Claude Opus 5
2026-07-24 · 89
Neighbors
nearest capability fingerprints · deltas describe the neighbor
Anthropic
Claude Opus 5
→ looser instructions · cheaper
GPT-5.6 Sol
→ less factual · cheaper
Muse Spark
→ weaker math · cheaper
Moonshot (月之暗面)
Kimi K3
→ weaker math · cheaper
GPT-5.5
→ weaker professional