Claude Haiku 5.5 vs Claude Opus 4.8

Claude Haiku 5.5 (Anthropic) versus Claude Opus 4.8 (Anthropic): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 0.21 Credits / M for Claude Haiku 5.5 and 3 Credits / M for Claude Opus 4.8, so Claude Haiku 5.5 is 93% cheaper.

Input (prompt)
0.21Credits / M
≈ $0.0321
Output (completion)
1.05Credits / M
≈ $0.16
— context · — output68% off
Claude Haiku 5.5 details
Input (prompt)
3Credits / M
≈ $0.458
Output (completion)
15Credits / M
≈ $2.29
1M context · 128K output91% off
Claude Opus 4.8 details
Lower input price
Claude Haiku 5.5
93% cheaper
More exclusive capabilities
Claude Haiku 5.5
Response Schema

Specs side by side

Item
Claude Haiku 5.5claude-haiku-5-5
Claude Opus 4.8claude-opus-4-8
Input (prompt) · Credits / M0.21≈ $0.03213≈ $0.458
Output (completion) · Credits / M1.05≈ $0.1615≈ $2.29
Cache read · Credits / M0.0210.3
Context window—1M
Max output—128K
7-day uptime——
Latest probe latency——
Measured throughput——
ProtocolsAnthropic MessagesAnthropic Messages
Sample monthly cost (10M in + 2M out)4.2≈ $0.64260≈ $9.17

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

Capabilities

CapabilityClaude Haiku 5.5Claude Opus 4.8
Vision
Function Calling
Prompt Caching
Streaming
Reasoning
Response Schema
Audio
Video
File Input
Web Search
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, Claude Haiku 5.5 or Claude Opus 4.8?

At the WandAPI default channel price, Claude Haiku 5.5 input costs 0.21 Credits / M and Claude Opus 4.8 input costs 3 Credits / M, so Claude Haiku 5.5 is 93% cheaper. Output and cache prices are in the specs table above.

Can I switch between Claude Haiku 5.5 and Claude Opus 4.8 at any time?

Yes. WandAPI 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 Haiku 5.5 and Claude Opus 4.8 differ?

Only Claude Haiku 5.5: Response Schema. Only Claude Opus 4.8: Reasoning. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

One API key for both Claude Haiku 5.5 and Claude Opus 4.8

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