Best for coding
Insufficient dataEvidence
comparable_coding_benchmark_missingNo same-source coding benchmark is attached to both model versions.
MODEL COMPARE
VerifiedClaude Fable 5 vs Claude Haiku 4.5: Pricing, Capabilities and Benchmarks
Compare Claude Fable 5 and Claude Haiku 4.5 across context window, API pricing, modalities, tool use and recommended use cases.
DECISION SUMMARY
Decision summary
Recommendations are conditional. Unknown values never count as a loss, and missing comparable benchmarks produce no winner.
Best for agents
Insufficient dataEvidence
comparable_agent_benchmark_missingCapabilities are listed, but a comparable agent benchmark is missing.
Long context
Claude Fable 5Evidence
context_window_largerClaude Fable 5=1000000; Claude Haiku 4.5=200000
Lower monthly token cost
Claude Haiku 4.5Evidence
same_provider_monthly_cost_lowerClaude Fable 5=20; Claude Haiku 4.5=2; input=1000000; cached_input=0; output=200000; provider=OpenRouter
Open deployment
Insufficient dataEvidence
open_weights_supportClaude Fable 5=unknown; Claude Haiku 4.5=unknown
| Attribute | Claude Fable 5 | Claude Haiku 4.5 | Winner |
|---|---|---|---|
Context windowcontext_window_largerProvider endpoint | 1M | 200K | Claude Fable 5 |
Maximum outputmax_output_largerProvider endpoint | 128K | 64K | Claude Fable 5 |
Input modalitiesinput_modalities_differProvider endpoint | Text, Image, File | Text, Image, File | Insufficient data |
Output modalitiesoutput_modalities_differProvider endpoint | Text | Text | Insufficient data |
Tool callingtool_calling_supportProvider endpoint | Supported | Supported | Tie |
Structured outputstructured_output_supportProvider endpoint | Supported | Supported | Tie |
Reasoningreasoning_supportModel | Supported | Supported | Insufficient data |
Open weightsopen_weights_supportModel | Unknown | Unknown | Insufficient data |
Input price per 1M tokensinput_price_lowerProvider endpoint | $10 | $1 | Claude Haiku 4.5 |
Output price per 1M tokensoutput_price_lowerProvider endpoint | $50 | $5 | Claude Haiku 4.5 |
USAGE ESTIMATOR
Monthly cost calculator
Estimate token charges for the selected provider endpoints. Image, audio, request and web-search charges are not included.
This is a provider snapshot, not a quote. Confirm production pricing before use.