Claude Fable 5
API model name: claude-fable-5
Claude Fable 5 is Anthropic's chat model, served on the Api.Airforce unified API. Capabilities include Vision, Tool calling, Reasoning, Prompt caching. It is priced at $7.00 per million input tokens and $35.00 per million output tokens. That is below the provider's $10.00 official input rate. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.
Pricing
Api.Airforce price vs. the provider's official rate.-30%
Specifications
- Provider
- Anthropic
- Type
- chat model
- Prompt caching
- Supported
Capabilities
Benchmarks
Independent evaluations and measured speed from Artificial Analysis.
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
Source: Benchmark data by Artificial Analysis (artificialanalysis.ai)
What is Claude Fable 5 used for?
- Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
- Image understanding — analyze photos, screenshots, charts and scanned documents.
- Agents & automation — function calling and tool use for multi-step workflows.
- Complex reasoning — math, coding and step-by-step problem solving.
Claude Fable 5 vs. similar models
| Model | Intelligence | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|
| Claude Fable 5 | 62.1 | — | $7.00 | $35.00 |
| Chat Latest | — | — | $5.00 | $30.00 |
| Claude 3.5 Haiku | — | — | $0.47 | $2.34 |
| Claude 3.5 Sonnet | 9.8 | 200K | $1.65 | $8.25 |
Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.
Related models
Claude Fable 5 — frequently asked questions
- How much does Claude Fable 5 cost?
- Claude Fable 5 is billed pay-as-you-go at $7.00 per 1M input tokens and $35.00 per 1M output tokens. There is no subscription — you only pay for what you use.
- What can Claude Fable 5 do?
- Claude Fable 5 supports Vision, Tool calling, Reasoning, Prompt caching.
- Is Claude Fable 5 free to use?
- Claude Fable 5 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
- How do I use Claude Fable 5 via the API?
- Claude Fable 5 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID claude-fable-5 with your Api.Airforce API key.
- Who makes Claude Fable 5?
- Claude Fable 5 is Anthropic's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.
Use Claude Fable 5 via the API
OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass claude-fable-5 as the model.
curl https://api.airforce/v1/chat/completions \
-H "Authorization: Bearer $AIRFORCE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-fable-5",
"messages": [{ "role": "user", "content": "Hello!" }]
}'from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
model="claude-fable-5",
messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
model: "claude-fable-5",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);