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Claude Fable 5
by Anthropic
CLOSEDHOSTEDWRITING HELPCODING HELPBRAINSTORMINGCOMPLEX REASONING
RANKED #82 OF 316 ASSISTANTS · OVERALL #109 OF 493 RANKED · VIBE SCORE 6.0 · 4,072 VOICES ·
COPY BADGE pastes a README snippet with the rank SVG.
A fast, smart text assistant designed to help with writing tasks, coding, and problem solving.
HAPPY8.0
346 mentions
SAD7.0
308 mentions
VIBE TRAJECTORY
26 weeks · 4,176 voices in this window
HOLDING UP
Recent vibe is steady. No clear fade in the crowd.
HOW TO USE IT
Closed model. Anthropic hosts it, so you use it through an app or an API.
PREFER OPEN SOURCE? THE CROWD HAS PICKS
Claude Fable 5 is closed, so you rent it. These open-weight models can genuinely stand in for it. Download once, own forever.
- OPEN WEIGHTS7.2
DeepSeek V4 FlashDeepSeekFast, high-quality reasoning and coding capable of handling everyday heavy workloads.💸 COST EFFICIENT⚡ FAST💻 STRONG AT CODE15.0k VOICESMATCH★★★ - OPEN WEIGHTS7.3Apertus v1.5 70BInfomaniakTransparent, privacy-oriented open weights for general multilingual everyday tasks.🔒 PRIVATE & OFFLINE💸 COST EFFICIENT2.5k VOICESMATCH★★★
WHAT THE INTERNET SAYS
Users love Claude Fable 5 for its fast, high-quality writing and strong coding help. However, many complain about its high cost, frequent refusals, and service limits.
3607 POSTS · 474 COMMENTS · HACKER NEWS · BLUESKY · REDDIT · X · GITHUB · DEV.TO · DEV FORUMS · LEMMY · BLOG
PEOPLE LOVE
- People feel it is worth the money (19 mentions)
- Popular for coding help (24 mentions)
- Good at writing and wording things (12 mentions)
- Usually gives correct answers (6 mentions)
PEOPLE COMPLAIN ABOUT
- Outages, errors, or limits get in the way (23 mentions)
- Refuses or lectures more than people like (17 mentions)
- It can feel slow (5 mentions)
TOPIC BY TOPIC
- PriceMOSTLY POSITIVE
19 thumbs up · 15 thumbs down
- Help with codePEOPLE LOVE THIS
24 thumbs up · 7 thumbs down
- Working when you need itA SORE SPOT
5 thumbs up · 23 thumbs down
- Saying no too muchA SORE SPOT
1 thumbs up · 17 thumbs down
- WritingPEOPLE LOVE THIS
12 thumbs up · 2 thumbs down
- SpeedMIXED FEELINGS
5 thumbs up · 5 thumbs down
- Getting facts rightMOSTLY POSITIVE
6 thumbs up · 3 thumbs down
IN THEIR OWN WORDS
- FROM REDDIT >
“Scaling self-verification with DeepSeek V4 Flash beats Claude Fable 5 on Terminal-Bench 2.1, while being 11x cheaper.”
- FROM REDDIT >
“Claude Fable 5 very slow and very expensive on GitHub copilot.”
- FROM REDDIT >
“Claude Fable 5 jailbroken.”
- FROM REDDIT >
“Claude Fable 5 refuses ~97% of biology questions.”
- FROM BLOG >
“If you ask Claude Fable 5 in Claude Code (or the chat app, I’m sure too): “write me a great poem about a goldfish,” the model will quickly spew out an answer.”
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for Claude Fable 5.
Muse Spark 1.3> SOURCES (12)
- REDDIT · 2026-06-09 · 1945 UPVOTESIt's over. Claude Fable 5 one-shots horror game live
It's over. Claude Fable 5 one-shots horror game live
- REDDIT · 2026-06-30 · 1260 UPVOTESClaude Mythos 5/Fable 5 export restrictions lifted
Claude Mythos 5/Fable 5 export restrictions lifted
- REDDIT · 2026-06-09 · 1069 UPVOTESme using Claude Fable 5 to clear my emails
me using Claude Fable 5 to clear my emails
- REDDIT · 2026-06-30 · 939 UPVOTESDepartment of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We’ll begin restoring access tomorrow, and will share an…
Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We’ll begin restoring access tomorrow, and will share an update soon.
- REDDIT · 2026-06-13 · 936 UPVOTESRIP Claude Fable 5 (June 9, 2026 – June 12, 2026)
RIP Claude Fable 5 (June 9, 2026 – June 12, 2026)
- REDDIT · 2026-06-11 · 616 UPVOTESDifferences Between Claude Opus 4.8 and Claude Fable 5 on MineBench
Differences Between Claude Opus 4.8 and Claude Fable 5 on MineBench
- REDDIT · 2026-08-17 · 550 UPVOTESAnthropic Has Finished Training Mythos 2 But Does Not Currently Plan To Release It. Focus Is Now On Internal Improvements.
Anthropic Has Finished Training Mythos 2 But Does Not Currently Plan To Release It. Focus Is Now On Internal Improvements.
- REDDIT · 2026-09-04 · 530 UPVOTESAnnouncing FrontierMath Erdős. A pre-release Astra solved 2 of 68. Every attempt by GPT-5.6 Sol, GPT-5.5, Claude Fable 5.1 and Claude Fable…
Announcing FrontierMath Erdős. A pre-release Astra solved 2 of 68. Every attempt by GPT-5.6 Sol, GPT-5.5, Claude Fable 5.1 and Claude Fable 5 failed.
- REDDIT · 2026-07-19 · 483 UPVOTESI distilled the leaked Claude Fable 5 system prompt into a clean, universal 500-token Markdown engine for ChatGPT and Gemini. No bloat.
I distilled the leaked Claude Fable 5 system prompt into a clean, universal 500-token Markdown engine for ChatGPT and Gemini. No bloat.
- REDDIT · 2026-06-30 · 478 UPVOTESAnthropic says Claude Fable 5 and Mythos 5 are coming back tomorrow
Anthropic says Claude Fable 5 and Mythos 5 are coming back tomorrow
- REDDIT · 2026-09-01 · 468 UPVOTESWarning: read the Fable 5.1 docs; Fable 5.1 is misaligned and will burn through tokens otherwise
Warning: read the Fable 5.1 docs; Fable 5.1 is misaligned and will burn through tokens otherwise
- HACKER NEWS · 2026-07-16 · 396 UPVOTES$100 AI Music Video: Claude Fable 5 vs. GPT-5.6 Sol
$100 AI Music Video: Claude Fable 5 vs. GPT-5.6 Sol