Anthropic
Claude Fable 5.1
Claude Fable 5.1 scores 1743 on WebDev Arena — rank 5 of 29 models we track with a published score and costs $20 per 1M blended tokens on the API — the best-scoring model at that price is Claude Opus 5.5 (1807).
API price
$20
per 1M blended tokens
WebDev Arena
1743
rank 5 of 29 tracked models
Benchmark scores
| Benchmark | Score | Rank | Source | Published |
|---|---|---|---|---|
| WebDev Arena | 1743Max | #5 of 29 | LMArena | 2026-10-19 |
| FrontierCode | 50.9%medium | #4 of 25 | Epoch AI Benchmarking Hub | 2026-09-01 |
| FrontierSWE | 56.3%max | #4 of 12 | Epoch AI Benchmarking Hub | 2026-09-01 |
| CursorBench | 51.8%max | #4 of 10 | Epoch AI Benchmarking Hub | 2026-09-01 |
The rank is among the 29 models we track with a published score for that benchmark — not the full leaderboard of the source, which lists many models we do not track. Where a source publishes several reasoning-effort settings, we show the model's best listed result.
API price
- Input
- $10 per 1M tokens
- Output
- $50 per 1M tokens
- Blended (3 input : 1 output)
- $20 per 1M tokens
Check Anthropic docs for the exact model ID.
Checked 2026-10-17 · source
Where it sits
WebDev Arena score against API price, with every model we can price and score on the same benchmark. Up and to the left is better.
- Value frontier
- No — a cheaper model scores higher
- Best model at $20 or less
- Claude Opus 5.51807 · $8
- Cheaper and scoring higher
- Claude Opus 5.51807 · $8, Claude Sonnet 5.51768 · $4, GPT-6.1 Sol1753 · $4
- Cheaper models on the frontier
- Qwen3.8-Max1674 · $3, Claude Sonnet 5.51768 · $4, Claude Opus 5.51807 · $8
Plans that include Claude Fable 5.1
- Claude Pro
Anthropic
- Copilot Pro+
GitHub
- Claude Max 5x
Anthropic
- Copilot Max
GitHub
- Claude Team (Premium seat)
Anthropic
$125/month · $100/mo billed annually
“Claude Fable 5.1 (50% of weekly limits)”
- Claude Max 20x
Anthropic
Other Anthropic models
Common questions
- How much does Claude Fable 5.1 cost?
- $10 per 1M input tokens and $50 per 1M output tokens, which is $20 on a 3:1 input:output mix. The price was checked on 2026-10-17.
- Which subscription plans include Claude Fable 5.1?
- 6 of the plans we track list it by name: Claude Pro ($20/mo), Copilot Pro+ ($39/mo), Claude Max 5x ($100/mo), Copilot Max ($100/mo) and 2 more.
- How does Claude Fable 5.1 rank on WebDev Arena?
- It ranks 5 of 29 models we track with a published WebDev Arena score, at 1743. The rank is among the models on this site, not the full LMArena leaderboard.
- Is Claude Fable 5.1 the best value for coding?
- No. 3 tracked models scores higher on WebDev Arena and costs less. The best-scoring model at $20 or less is Claude Opus 5.5.
- What is the cheapest way to use Claude Fable 5.1?
- Claude Pro is the cheapest subscription we track that lists it, at $20/month ($17/month billed annually). Per-token API pricing is listed separately above.