Claude Fable 5.2 and Kimi K3.1 Pro compared
Claude Fable 5.2, Kimi K3.1 Pro, compared side by side on price, context, and capabilities. All are available on Hormouz through one OpenAI-compatible API.
Anthropic Claude Fable 5.2 | Moonshot AI Kimi K3.1 Pro | |
|---|---|---|
| At a glance | ||
| Context window | 1,000,000 | 1,048,576 |
| Input type | text, image, file | text, image, video |
| Output type | text | text |
| Type | text, image | text, image, video |
| Pricing | ||
| Input | $4.8/M | $2/M |
| Output | $24/M | $10/M |
| Cached input | $0.2/M | $0.2/M |
| Cache write | $10/M | — |
| Web search (per 1K calls) | $10/1K | — |
| Persian text | ||
| Tokens per 100 Persian words | 368 | 248 |
| Persian vs English tokens (same text) | ×2.4 | ×2.2 |
| Input cost of 1,000 Persian words | $0.018 | $0.005 |
| Features | ||
| Thinking (reasoning) | Always on | Can be switched on/off |
| Max output tokens | 128K | — |
| Tool use | Yes | Yes |
| Structured output (JSON) | Yes | Yes |
| Prompt caching | Yes | Yes |
| Capabilities | ||
| Capabilities | Vision · Tools · Streaming · Long context | Vision · Tools · Streaming · Long context |
Claude Fable 5.2 and Kimi K3.1 Pro: side-by-side summary
Claude Fable 5.2, from Anthropic, has a 1,000,000-token context window and costs $4.8/M for input and $24/M for output on Hormouz (M = one million tokens).
Kimi K3.1 Pro, from Moonshot AI, has a 1,048,576-token context window and costs $2/M for input and $10/M for output on Hormouz (M = one million tokens).
Both are available through one OpenAI-compatible API and one Hormouz key, and you switch between them by changing the model id in your request.
Where they rank
The compared models' scores beside a few models of similar standing.
Intelligence Index
- Claude Fable 5.264.6
- Claude Opus 5.557.6
- Claude Fable 5.153.4
- GPT-6 Astra52.7
- Kimi K3.1 Pro46.5
Data from Artificial Analysis; scores out of 100.
FAQ
- Which has the longer context window, Claude Fable 5.2 or Kimi K3.1 Pro?
- Kimi K3.1 Pro has the longest context window at 1,048,576 tokens, compared with 1,000,000 for Claude Fable 5.2.
- Which is cheaper, Claude Fable 5.2 or Kimi K3.1 Pro?
- Kimi K3.1 Pro has the lower input price. Claude Fable 5.2: $4.8/M input, $24/M output and Kimi K3.1 Pro: $2/M input, $10/M output (per million tokens, on Hormouz).
- Which scores higher on intelligence, Claude Fable 5.2 or Kimi K3.1 Pro?
- Claude Fable 5.2 scores higher on the Artificial Analysis Intelligence Index: 64.6 for Claude Fable 5.2 and 46.5 for Kimi K3.1 Pro.
- Do Claude Fable 5.2 and Kimi K3.1 Pro reason before answering?
- Claude Fable 5.2 always reasons before answering; the reasoning effort setting controls how much. Kimi K3.1 Pro can have reasoning switched on or off.
- Can I use all 2 of these models through one API?
- Yes. All of them are available on Hormouz through a single OpenAI-compatible API and one API key. Switch between them by changing the model id.
View Claude Fable 5.2View Kimi K3.1 ProTry Claude Fable 5.2 in the PlaygroundTry Kimi K3.1 Pro in the Playground
Updated 2026-11-11