Claude Fable 5.1
Coming soonAnthropic's model for demanding reasoning and long-horizon agentic work.
Context window1M1,000,000 tokens
Input$15.0020,700 IQDper 1M tokens
Output$75.00103,500 IQDper 1M tokens
Input modalitiesText, Image→ Text
Providers2
Overview
| Model ID | anthropic/claude-fable-5-1 |
|---|---|
| Series | Anthropic |
| Context window | 1,000,000 tokens |
| Max output | 128,000 tokens |
| Input modalities | Text, Image |
| Output modalities | Text |
| Providers | 2 |
Context window: platform.claude.com/docs/en/about-claude/models/overview (2026-10-01): Fable 5.1 / Opus 5.5 / Sonnet 5.5 1M, 128K output; Haiku 4.5 200K, 64K output
Price on OPTES
Our price, per provider, in US dollars and Iraqi dinars (1 USD = 1,380 IQD, rounded up to 10 IQD).
| Provider | Input | Output | Note |
|---|---|---|---|
| Anthropic | $15.00 · 20,700 IQD | $75.00 · 103,500 IQD | Lowest |
Providers
Our price, per provider, in US dollars and Iraqi dinars (1 USD = 1,380 IQD, rounded up to 10 IQD).
| Provider | Input | Output | Note |
|---|---|---|---|
| Anthropic | $15.00 · 20,700 IQD | $75.00 · 103,500 IQD | Lowest |
| Amazon Bedrock | $15.00 · 20,700 IQD | $75.00 · 103,500 IQD | Global |
Call it through the OPTES API
This model is coming soon to OPTES. This is how the call will look; your OPTES key will work for it.
curl https://api.optes3.com/v1/chat/completions \ -H "Authorization: Bearer $OPTES_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "anthropic/claude-fable-5-1", "messages": [{"role": "user", "content": "Suggest three names for a café in Baghdad."}] }'import osfrom openai import OpenAIclient = OpenAI(base_url="https://api.optes3.com/v1", api_key=os.environ["OPTES_API_KEY"])resp = client.chat.completions.create( model="anthropic/claude-fable-5-1", messages=[{"role": "user", "content": "Suggest three names for a café in Baghdad."}],)print(resp.choices[0].message.content)import OpenAI from "openai";const client = new OpenAI({ baseURL: "https://api.optes3.com/v1", apiKey: process.env.OPTES_API_KEY });const resp = await client.chat.completions.create({ model: "anthropic/claude-fable-5-1", messages: [{ role: "user", content: "Suggest three names for a café in Baghdad." }],});console.log(resp.choices[0].message.content);Coming soon to OPTES Coming soon
Get your OPTES API key now. The same key will call this model when it opens.