Claude Fable 5.1 · Data analysis
Claude Fable 5.1 for data analysis: our test runs
Claude Fable 5.1 ran our 5 data analysis prompts in llmwise, through the same pipeline your messages take. Here's every reply as it came, whether it passed, what it cost and what it counts as on Pro, next to the other models.
Based on 5 of our test runs on , through OpenRouter with the app's own prompt and settings. Updated .
Short answer
In our test runs on September 27, 2026, Claude Fable 5.1 passed 5 of 5 of our data analysis prompts (both hard ones): tied 1st of 20 models. Each reply counted as 1 message on Pro, where it has 31 a month, and cost $0.0283 to run on average.
Prompt by prompt
Each of the 5 data analysis prompts, and how Claude Fable 5.1's reply did.
| Prompt | Result | Cost | Time |
|---|---|---|---|
| The region with the most revenueEveryday | Passed: Final answer North, 1,085.00: right. | $0.0159 | 4.1 s |
| Average order value in AugustEveryday | Passed: Final answer 300.00: right. | $0.0209 | 3.3 s |
| Revenue change from July to AugustEveryday | Passed: Final answer 67.4%: right. | $0.0232 | 4.9 s |
| A median, filtered two waysHard | Passed: Final answer 6.25: right. | $0.0151 | 6.7 s |
| Correlation between ad spend and sign-upsHard | Passed: Final answer 0.97: right. | $0.0663 | 14.2 s |
Every data analysis reply from Claude Fable 5.1
The region with the most revenue
An everyday prompt: “The region with the most revenue”, in full.
Passed: Final answer North, 1,085.00: right.
West: 2×45=90, 1×310=310, 2×120=240, 5×45=225 → 865 East: 1×120=120, 3×45=135, 1×310=310, 3×120=360 → 925 North: 4×45=180, 2×120=240, 2×310=620, 1×45=45 → 1085 Final answer: North, $1,085.00
815 tokens in, 118 out · 4.1 s · $0.0159 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Anthropic ·
Average order value in August
An everyday prompt: “Average order value in August”, in full.
Passed: Final answer 300.00: right.
August 2026 orders and revenue (quantity × price): - 1007: 2 × 120.00 = 240.00 - 1008: 1 × 310.00 = 310.00 - 1009: 2 × 310.00 = 620.00 - 1010: 5 × 45.00 = 225.00 - 1011: 3 × 120.00 = 360.00 - 1012: 1 × 45.00 = 45.00 Total revenue = 240 + 310 + 620 + 225 + 360 + 45 = 1,800.00 Number of orders = 6 Average = 1,800.00 / 6 = 300.00 Final answer: 300.00
823 tokens in, 216 out · 3.3 s · $0.0209 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Anthropic ·
Revenue change from July to August
An everyday prompt: “Revenue change from July to August”, in full.
Passed: Final answer 67.4%: right.
July revenue: - 1001: 2×45 = 90 - 1002: 1×120 = 120 - 1003: 1×310 = 310 - 1004: 4×45 = 180 - 1005: 3×45 = 135 - 1006: 2×120 = 240 - Total: 1,075 August revenue: - 1007: 2×120 = 240 - 1008: 1×310 = 310 - 1009: 2×310 = 620 - 1010: 5×45 = 225 - 1011: 3×120 = 360 - 1012: 1×45 = 45 - Total: 1,800 Change: (1,800 − 1,075) / 1,075 = 725 / 1,075 ≈ 0.6744 → 67.4% increase Final answer: 67.4%
831 tokens in, 259 out · 4.9 s · $0.0232 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Anthropic ·
A median, filtered two ways
A hard prompt: “A median, filtered two ways”, in full.
Passed: Final answer 6.25: right.
Billing + high tickets: T1 (5.5), T4 (2), T6 (9), T9 (7), T10 (26), T12 (4) — 6 tickets. Sorted hours: 2, 4, 5.5, 7, 9, 26 Median of 6 values = average of 3rd and 4th: (5.5 + 7) / 2 = 6.25 Final answer: 6.25
691 tokens in, 132 out · 6.7 s · $0.0151 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Anthropic ·
Correlation between ad spend and sign-ups
A hard prompt: “Correlation between ad spend and sign-ups”, in full.
Passed: Final answer 0.97: right.
**Working** - Means: x̄ (ad_spend) = 6150/8 = 768.75; ȳ (signups) = 434/8 = 54.25 - Σ(x−x̄)(y−ȳ) = 23,912.5 - Σ(x−x̄)² = 624,687.5 - Σ(y−ȳ)² = 971.5 - r = 23,912.5 / √(624,687.5 × 971.5) = 23,912.5 / 24,635.0 ≈ 0.9707 Strong positive correlation between ad spend and sign-ups. Final answer: 0.97
607 tokens in, 1,177 out (975 of them reasoning) · 14.2 s · $0.0663 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Anthropic ·
How it compares on data analysis
Claude Fable 5.1 beside the job's picks among every model. 16 models share the hard-problems pick, Claude Fable 5.1 among them.
| Model | Passed | On Pro | Cost per reply |
|---|---|---|---|
| GLM 5.3Our pick: hard problems (shared), best value | 5 of 5 | 250 a month on Pro | $0.0019 |
| GPT-6 LunaOur pick: hard problems (shared), everyday | 5 of 5 | 60 a day on Pro | $0.0002 |
| Claude Fable 5.1Our pick: hard problems (shared) | 5 of 5 | 31 a month on Pro | $0.0283 |
Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Plus $3.75, Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.
Claude Fable 5.1 next to each model on data analysis
Claude Fable 5.1 against each model on the same 5 data analysis prompts. One run each, through OpenRouter: a wait depends on the provider and the load that day, so a lead under 10% counts as close.
Against Claude Opus 5.5: Claude Fable 5.1 answered within 10% of its time (4.9 s to 4.6 s), cost 2.2× more, and passed 5 of 5 to its 5.
Against Claude Sonnet 5.5: Claude Fable 5.1 answered 2.1× later (4.9 s to 2.3 s), cost 6.0× more, and passed 5 of 5 to its 5.
Against Claude Sonnet 5: Claude Fable 5.1 answered within 10% of its time (4.9 s to 5.3 s), cost 4.1× more, and passed 5 of 5 to its 4. Only Claude Fable 5.1 passed Correlation between ad spend and sign-ups.
Against Claude Haiku 5.5: Claude Fable 5.1 answered 1.5× later (4.9 s to 3.3 s), cost 78.9× more, and passed 5 of 5 to its 5.
Against Claude Haiku 4.5: Claude Fable 5.1 answered 1.8× later (4.9 s to 2.7 s), cost 11.3× more, and passed 5 of 5 to its 3. Only Claude Fable 5.1 passed Average order value in August; Correlation between ad spend and sign-ups.
Against GPT-6 Astra: Claude Fable 5.1 answered 1.5× later (4.9 s to 3.3 s), cost 1.8× more, and passed 5 of 5 to its 5.
Against GPT-6.1 Sol: Claude Fable 5.1 answered 1.6× later (4.9 s to 3.0 s), cost 17.8× more, and passed 5 of 5 to its 5.
Against GPT-6 Sol: Claude Fable 5.1 answered 1.7× later (4.9 s to 2.8 s), cost 8.4× more, and passed 5 of 5 to its 5.
Against GPT-6 Luna: Claude Fable 5.1 answered 2.0× later (4.9 s to 2.5 s), cost 160.7× more, and passed 5 of 5 to its 5.
Against Gemini 4 Argon: Claude Fable 5.1 answered 1.4× sooner (4.9 s to 6.9 s), cost 10.0× more, and passed 5 of 5 to its 5.
Against Gemini 3.1 Pro (preview): Claude Fable 5.1 answered 1.8× sooner (4.9 s to 8.6 s), cost 1.8× more, and passed 5 of 5 to its 5.
Against Gemini 3.8 Flash: Claude Fable 5.1 answered 1.1× sooner (4.9 s to 5.4 s), cost 10.2× more, and passed 5 of 5 to its 4. Only Claude Fable 5.1 passed Correlation between ad spend and sign-ups.
Against DeepSeek V4.1 Flash: Claude Fable 5.1 answered 5.6× later (4.9 s to 0.9 s), cost 33.4× more, and passed 5 of 5 to its 5.
Against DeepSeek V4 Pro: Claude Fable 5.1 answered 1.2× later (4.9 s to 4.1 s), cost 9.9× more, and passed 5 of 5 to its 5.
Against Grok 4.7: Claude Fable 5.1 answered 1.8× sooner (4.9 s to 8.9 s), cost 2.5× more, and passed 5 of 5 to its 5.
Against Kimi K3: Claude Fable 5.1 answered 1.4× later (4.9 s to 3.5 s), cost 4.2× more, and passed 5 of 5 to its 5.
Against GLM 5.3: Claude Fable 5.1 answered 2.5× later (4.9 s to 1.9 s), cost 14.8× more, and passed 5 of 5 to its 5.
Against GLM 5.3 Flash: Claude Fable 5.1 answered 2.0× sooner (4.9 s to 9.8 s), cost 73.6× more, and passed 5 of 5 to its 4. Only Claude Fable 5.1 passed Correlation between ad spend and sign-ups.
Against Mistral Large 4: Claude Fable 5.1 answered 3.2× sooner (4.9 s to 15.8 s), cost 7.6× more, and passed 5 of 5 to its 5.
How these runs were done
Final answer. Automatic. The reply's last “Final answer:” line must hold the right value.
Claude Fable 5.1, and data analysis, elsewhere
- Claude Fable 5.1: price, limits and messages on every plan
- Claude for data analysis
- Claude Fable 5.1 for coding: our test runs
- Claude Fable 5.1 for writing: our test runs
- Claude Fable 5.1 for math: our test runs
- Claude Fable 5.1 vs GPT-6 Astra
- Claude Fable 5.1 vs Claude Opus 5.5
- Claude Fable 5.1 vs Kimi K3
- Claude Fable 5.1 vs Grok 4.7
- Claude Fable 5.1 vs Claude Sonnet 5
- Claude Fable 5.1 vs Claude Haiku 4.5
- Analyze a CSV with code: the prompt, and its price
- AI prompts for business, tested on four models
- Our test runs: 50 prompts on every model
Questions
Is Claude Fable 5.1 good for data analysis?
In our test runs it passed 5 of 5 data analysis prompts, tied 1st of the 20 models in llmwise. Every reply is on this page, so you can judge them yourself.
How many of my messages does a data analysis reply from Claude Fable 5.1 use?
1 message each on Pro, where it has 31 a month on Pro. The price of a message is fixed and shown before you send it, however long the reply.
How were these runs done?
The same way for every model: each prompt sent through llmwise's own pipeline, each reply checked the same way. The methods page has every prompt and how each is scored.
Claude, GPT, Gemini, DeepSeek, Grok, Kimi, GLM, and Mistral, in one chat.
See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.