Pricing · Claude
Claude Fable 5.1 pricing: API price, cost per message and plans
What Claude Fable 5.1 costs, three ways: Anthropic's API price per token, what Claude Fable 5.1's replies actually cost in our test runs, and how many Claude Fable 5.1 messages each llmwise plan includes. Every limit on Claude Fable 5.1 is on its model page.
API prices checked against OpenRouter's Claude Fable 5.1 page. Updated .
Short answer
Claude Fable 5.1's API price is $10.00 per million input tokens and $50.00 per million output tokens (Anthropic's list price, September 2026). In our 50 test runs a Claude Fable 5.1 reply cost $0.0200 on average (median $0.0160), from $0.0116 a reply on math to $0.0425 on coding. In llmwise you pay per message instead: up to 31 Claude Fable 5.1 messages a month on Pro ($20), 100 on Max ($50), 225 on Ultra ($100) and 500 on Studio ($200).
Claude Fable 5.1 API pricing
Claude Fable 5.1 through its API is billed per token: $10.00 in, $50.00 out per million tokens, as of September 2026.
| Input tokens | $10.00 per million |
|---|---|
| Output tokens | $50.00 per million |
| A typical Claude Fable 5.1 message (4,000 in, 700 out) | $0.0750 |
| 1,000 typical Claude Fable 5.1 messages | $75.00 |
| Typical Claude Fable 5.1 messages for $1 | 13 |
| Whose price | Anthropic's list price |
What a Claude Fable 5.1 reply cost in our test runs
We sent the same 50 test prompts to every model in llmwise on September 27, 2026, through OpenRouter with llmwise's own prompt and settings. Here's what each Claude Fable 5.1 reply cost, job by job.
| Job | Claude Fable 5.1, per reply | Per 1,000 replies | Tokens in / out | Passed |
|---|---|---|---|---|
| Coding | $0.0425 | $42.51 | 670 / 686 | 5 of 5 |
| Writing | $0.0172 | $17.25 | 552 / 229 | 3 of 5 |
| Math | $0.0116 | $11.63 | 536 / 125 | 5 of 5 |
| Summarization | $0.0161 | $16.10 | 690 / 152 | 3 of 5 |
| Data analysis | $0.0283 | $28.30 | 753 / 380 | 5 of 5 |
| Customer support | $0.0221 | $22.07 | 722 / 264 | 4 of 5 |
| Translation | $0.0175 | $17.54 | 603 / 203 | 5 of 5 |
| SQL | $0.0185 | $18.47 | 830 / 165 | 5 of 5 |
| RAG and answering from documents | $0.0145 | $14.54 | 902 / 68 | 5 of 5 |
| Agents and tool use | $0.0119 | $11.95 | 660 / 77 | 5 of 5 |
Across all 50 Claude Fable 5.1 replies: $0.0200 on average, $0.0160 at the median, $0.0086 for the cheapest and $0.0874 for the dearest. The Claude Fable 5.1 replies averaged 692 tokens in and 235 out, against the typical message's 4,000 in and 700 out: each test prompt starts a new chat, while a reply deep in a long chat rereads all of it.
Claude Fable 5.1 on each llmwise plan
In llmwise a Claude Fable 5.1 message is one of a published count, however long the reply runs, and you see what's left before you send.
Free: Claude Fable 5.1 isn't in the one-time trial of 5 messages; it takes a paid plan.
Pro, $20 a month: up to 31 Claude Fable 5.1 messages a month, which is $0.65 a Claude Fable 5.1 message if every message goes to Claude Fable 5.1.
Max, $50 a month: up to 100 Claude Fable 5.1 messages a month, which is $0.50 a Claude Fable 5.1 message if every message goes to Claude Fable 5.1.
Ultra, $100 a month: up to 225 Claude Fable 5.1 messages a month, which is $0.44 a Claude Fable 5.1 message if every message goes to Claude Fable 5.1.
Studio, $200 a month: up to 500 Claude Fable 5.1 messages a month, which is $0.40 a Claude Fable 5.1 message if every message goes to Claude Fable 5.1.
A $10 top-up adds up to 25 Claude Fable 5.1 messages, valid 12 months.
Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: 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 against the other Claude models
Every Claude model in llmwise beside Claude Fable 5.1, dearest first.
| Model | API, per 1M in / out | Input price against Claude Fable 5.1 | Average reply in our runs | On Pro |
|---|---|---|---|---|
| Claude Fable 5.1AnthropicThis page | $10.00 / $50.00 | – | $0.0200 | Up to 31 a month |
| Claude Opus 5.5Anthropic | $4.00 / $20.00 | 40% of Claude Fable 5.1's | $0.0107 | Up to 62 a month |
| Claude Sonnet 5Anthropic | $2.00 / $10.00 | 20% of Claude Fable 5.1's | $0.0041 | Up to 125 a month |
| Claude Haiku 4.5Anthropic | $1.00 / $5.00 | 10% of Claude Fable 5.1's | $0.0015 | Up to 250 a month |
Claude Fable 5.1 in Anthropic's own plans
What Anthropic's own subscriptions say about Claude Fable 5.1, in their words, set beside llmwise's count. Each was checked on the day shown; we drop a plan from this page when its facts are more than 45 days old.
Claude Pro, $20 a month
Claude Fable 5.1 on Claude Pro: Not in the plan's limits: paid for separately. On llmwise Pro ($20 a month): up to 31 Claude Fable 5.1 messages a month. Claude Pro vs llmwise.
Sources: Claude Help Center: What is the Pro plan?, Claude Help Center: Claude Fable models on your plan and Claude pricing, checked .
Claude Max, $100 or $200 a month
Claude Fable 5.1 on Claude Max: Included: up to 50% of the weekly limits. On llmwise Pro ($20 a month): up to 31 Claude Fable 5.1 messages a month. Claude Max vs llmwise.
Sources: Claude Help Center: What is the Max plan?, Claude Help Center: Claude Fable models on your plan and Claude pricing, checked .
Claude Fable 5.1's own page: Claude Fable 5.1: price, limits and messages on every plan. Claude Fable 5.1 passed 45 of the 50 test prompts these costs come from.
Questions
How much does a Claude Fable 5.1 message cost?
In our test runs, $0.0200 a reply on average through OpenRouter (median $0.0160), across 50 Claude Fable 5.1 replies to our test prompts. At the API price a typical Claude Fable 5.1 message of 4,000 tokens in and 700 out costs $0.0750; a long chat costs more, because every reply rereads it.
What is Claude Fable 5.1's API price?
$10.00 per million input tokens and $50.00 per million output tokens, as of September 2026 (Anthropic's list price).
How many Claude Fable 5.1 messages does llmwise Pro include?
Up to 31 Claude Fable 5.1 messages a month on Pro ($20 a month), if the whole allowance goes to Claude Fable 5.1; the count on each plan is above.
Can I use Claude Fable 5.1 for free?
Not in llmwise's free trial, which covers the smaller models; Claude Fable 5.1 takes a paid plan.
Claude, GPT, Gemini, DeepSeek, Grok, Kimi, and GLM, in one chat.
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