Identity
- Status
- active
- Developer ID
claude-fable-5- Released
- Jun 9, 2026
- Version
- Claude Fable 5
- License
- Unknown
AnthropicClaude Fable 5
Claude Fable 5 is Anthropic's most capable widely released model for long-running agents.
- Token context
- 1,000K tokens
- Inputs
- Text, Image
- Outputs
- Text
- Released
- Jun 9, 2026
Providers & Pricing
Estimate workload cost →| Provider | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M | Observed | Evidence |
|---|---|---|---|---|---|---|
AnthropicAvailable | $10.00 | $50.00 | — | — | Sep 3, 2026 | Provider-reported |
 DeepinfraAvailable | $10.00 | $50.00 | — | — | Oct 19, 2026 | Provider-reported |
 OpenrouterAvailable | $10.00 | $50.00 | $1.00 | — | Oct 19, 2026 | Provider-reported |
Benchmarks
All benchmark results →| ARC-AGI-1verified-v1-613c385b0c93 | 98.50 | — | — | Claude Fable 5 (XHigh)unknown | Original sourcewinner eligible | Third-party benchmark |
| ARC-AGI-2verified-v2-be40992860f9 | 89.17 | — | — | Claude Fable 5 (Max)unknown | Original sourcewinner eligible | Third-party benchmark |
| LiveBench2026-06-25-90f8d44da965 | 86.55 | 20,255 | 1,270 | claude-fable-5-max-effortaverage per case | Recomputedwinner eligible | Third-party benchmark |
| LMArena Agent Arenaagent-2026-10-16-a64ca3b12b6e | 8.18 | — | 42,608 | Claude Fable 5 (High); 95% CI [6.75735259, 9.60649884]; sessions 42608; observations 2530600; rank 9unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Document Arenadocument-2026-09-13-a64ca3b12b6e | 1,496.08 | — | 8,497 | claude-fable-5; 95% CI [1488.22135990, 1503.94311259]; votes 8497; rank 5unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Search Arenasearch-2026-10-13-a64ca3b12b6e | 1,229.14 | — | 73,596 | claude-fable-5-high; 95% CI [1222.63001070, 1235.64949261]; votes 73596; rank 10unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e | 1,323.95 | — | 14,175 | claude-fable-5-high; 95% CI [1316.82313713, 1331.08571856]; votes 14175; rank 1unknown | Original sourcewinner eligible | Third-party benchmark |
| ToneBench2026-10-17-10-task-e9c76358afb2 | 81.90 | 24,076 | 50 | Claude Fable 5 (high)average per case | Original sourcenot winner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Token context
- 1,000K tokens
- Maximum output
- 128K tokens
- Total parameters
- Unknown
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text, Image
- Outputs
- Text
- API available
- Yes
- Open weights
- No
- Self-hostable
- No
- Reasoning
- Yes
- Vision
- Yes
- Tool calling
- Yes
- Capabilities
- chat, generation, reasoning, tools
This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesclaude-fable-5
Explicit Unknowns
- Architecture
- Tokenizer
- Knowledge cutoff
Primary Evidence
Sources and Observation Date
Models overview | Claude Platform DocsAnthropic · observed Aug 28, 2026Deepinfra catalogDeepinfra · observed Oct 19, 2026Models overview | Claude Platform DocsAnthropic · observed Sep 3, 2026Claude Fable 5 and Claude Mythos 5Anthropic · observed Aug 28, 2026Anthropic catalogAnthropic · observed Oct 19, 2026Openrouter catalogOpenrouter · observed Oct 19, 2026
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
Claude Fable 5Anthropic | vs | Claude Fable 5.1Anthropic | family variantsimage, text |
Claude Fable 5Anthropic | vs | Claude Mythos 5.1Anthropic | family variantsimage, text |
Claude Fable 5Anthropic | vs |  GPT-5.6 TerraOpenAI | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | Claude Opus 4.7Anthropic | family variantsimage, text |
Claude Fable 5Anthropic | vs | Claude Opus 4.8Anthropic | family variantsimage, text |
Claude Fable 5Anthropic | vs | GPT-4.1OpenAI | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | GPT-4.1 MiniOpenAI | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | GPT-5.6 LunaOpenAI | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs |  Qwen3.7 FlashQwen | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | Qwen3.7 MaxQwen | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | cross-developer peersimage, text |
Questions
Claude Fable 5 FAQs
What is Claude Fable 5?+
Claude Fable 5 is Anthropic's most capable widely released model for long-running agents. It is developed by Anthropic and its current sourced lifecycle status is active.
What inputs and outputs does Claude Fable 5 support?+
Claude Fable 5's current record lists Text and Image as input and Text as output.
How much context does Claude Fable 5 support?+
The current record lists a 1,000K-token context window and a maximum output of 128K tokens.
Is Claude Fable 5 available through an API?+
Claude Fable 5 is marked as API-available. The directly sourced provider records currently include Anthropic, Deepinfra, and Openrouter.
How much does Claude Fable 5 cost through an API?+
The lowest directly sourced prices currently attached to Claude Fable 5 are $10.00 per million input tokens through Anthropic and $50.00 per million output tokens through Anthropic. Prices are provider-specific and should be checked against each cited observation date.
What capabilities and tasks does Claude Fable 5 support?+
Claude Fable 5's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are image and text.
Can Claude Fable 5 be self-hosted?+
Claude Fable 5 is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does Claude Fable 5 have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are claude-fable-5.
Which models can Claude Fable 5 be compared with?+
The current compatible peer set includes Claude Fable 5.1, Claude Mythos 5.1, GPT-5.6 Terra, Claude Opus 4.7, and Claude Opus 4.8. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for Claude Fable 5?+
Claude Fable 5 was last verified Aug 28, 2026 from Anthropic's primary source, “Models overview | Claude Platform Docs.” The evidence is classified as official fact.