Claude Fable 5 vs Claude Haiku 5.5

Claude Fable 5 (Anthropic) versus Claude Haiku 5.5 (Anthropic): API pricing, context window, capabilities and uptime, from the same data as each model page, at the SoleAPI default channel price. Input costs 15 Credits / M for Claude Fable 5 and 0.15 Credits / M for Claude Haiku 5.5, so Claude Haiku 5.5 is 99% cheaper.

Input (prompt)
15Credits / M
≈ $2.27
Output (completion)
75Credits / M
≈ $11.33
1M context · 128K output77% off
Claude Fable 5 details
Input (prompt)
0.15Credits / M
≈ $0.0227
Output (completion)
0.75Credits / M
≈ $0.113
— context · — output77% off
Claude Haiku 5.5 details
Lower input price
Claude Haiku 5.5
99% cheaper
More exclusive capabilities
Claude Fable 5
Vision, Web Search

Specs side by side

Item
Claude Fable 5claude-fable-5
Claude Haiku 5.5claude-haiku-5-5
Input (prompt) · Credits / M15≈ $2.270.15≈ $0.0227
Output (completion) · Credits / M75≈ $11.330.75≈ $0.113
Cache read · Credits / M1.50.015
Context window1M—
Max output128K—
7-day uptime——
Latest probe latency——
Measured throughput64.3 t/s29.5 t/s
ProtocolsAnthropic Messages / OpenAI ResponsesAnthropic Messages
Sample monthly cost (10M in + 2M out)300≈ $45.333≈ $0.453

Prices are the SoleAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from SoleAPI probes; a dash means the model is not probed yet.

Capabilities

CapabilityClaude Fable 5Claude Haiku 5.5
Function Calling
Reasoning
Prompt Caching
Response Schema
Streaming
Vision
Web Search
Audio
Video
File Input
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, Claude Fable 5 or Claude Haiku 5.5?

At the SoleAPI default channel price, Claude Fable 5 input costs 15 Credits / M and Claude Haiku 5.5 input costs 0.15 Credits / M, so Claude Haiku 5.5 is 99% cheaper. Output and cache prices are in the specs table above.

Can I switch between Claude Fable 5 and Claude Haiku 5.5 at any time?

Yes. SoleAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.

How do the capabilities of Claude Fable 5 and Claude Haiku 5.5 differ?

Only Claude Fable 5: Vision, Web Search. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

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