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Claude Fable 5

anthropic/claude-fable-5
  • Anthropic
  • Family · Claude Fable 5
  • Released 9 Jun 2026
  • Text · Image · File → Text
  • Reasoning · adjustable
  • Tools · JSON · Vision
Spec & list price
Context1M
Max output128K
Input / 1M$10.00
Output / 1M$50.005× input
Scores · standing
Intelligence49.6#13/489
Coding76.5#7/196
Usage
Tokens / day3.7B▲ 34% 7d
Usage rank#134
Requests / day35.6K
Tool calls / req0.31
Per request · 30 days
Avg input55.1K3.7× median
Avg output9611.4× median
Cache hit76%about median
Reasoning share44%0.8× median
Tool-call failures0.7%0.4× median

Consumption

3.3B6.7B10.0B3 Oct17 Oct1 Nov
Peak 9.0B 14 OctLow 2.5B 24 OctRank today #134

News & trends

51 mentions this week ▲ 240%this model · videos, posts, articles · 30 days
Trending · 14 days · Claude Fable 5 family
News

Benchmarks

bar = share of the top score · Benchmark data: Artificial Analysis
τ²-Bench#4 of 319
98.5%
GPQA Diamond#18 of 445
92.6%
Terminal-Bench Hard#2 of 311
62.9%
Coding index#7 of 196
76.5
Long-context reasoning#30 of 393
82.3%
Terminal-Bench 2.1#13 of 182
84.6%
SciCode#6 of 160
61.0%
Humanity's Last Exam#5 of 465
55.5%
Speed · median across 5 providers, latest day
Output speed#216/33452 tok/s1.3× slower than median
Fastest provider65 tok/sbest of 5 providers
First token#3043.67 s3.6× longer than median

#8 cheapest of 8 with a similar score

Value
Intelligence Index
4648505254$5$10$20Claude Fable 5
Blended price per 1M tokens (log)
Family progress
Intelligence Index
495051525354JulAugSepClaude Fable 5
  • Family releases53.4

Technical details

Reasoning
on · high
Tokenizer
Claude
Moderation
moderated
Reasoning effort
  • max
  • xhigh
  • high · default
  • medium
  • low
Request parameters 11
  • tools
  • tool_choice
  • response_format
  • structured_outputs
  • reasoning
  • reasoning_effort
  • include_reasoning
  • max_tokens
  • max_completion_tokens
  • stop
+1 more
  • verbosity

Same family

Claude Fable 5

Alternatives

other vendors · similar capability

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