Compare Claude Fable 5.1 (Anthropic) and Claude Opus 4.5 (Anthropic) by price, context, capabilities, and latency.
Side by side
Compare price, provider, context, capabilities, latency, and source basis.
| Model | Provider | Input | Output | Context | Capabilities | Best for | Latency | Status | Source |
|---|---|---|---|---|---|---|---|---|---|
| Claude Fable 5.1anthropic/claude-fable-5.1 | Anthropic | $10 / 1M tokens | $50 / 1M tokens | 1M | StreamingTool callingJSON modeVision | image understanding, multimodal chat | 0-0ms | Catalog | Platform curated |
| Claude Opus 4.5anthropic/claude-opus-4.5 | Anthropic | $5 / 1M tokens | $25 / 1M tokens | 200k | StreamingTool callingJSON modeVision | image understanding, multimodal chat | 1949-4380ms | Catalog | Platform curated |
FAQ
Claude Opus 4.5 is cheaper ($5 / 1M tokens input / $25 / 1M tokens output) vs Claude Fable 5.1 ($10 / 1M tokens input / $50 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.
Claude Fable 5.1 is larger (1M tokens) vs 200k tokens.
Both target Vision. Pick Claude Opus 4.5 to optimize cost, or Claude Fable 5.1 for the longer context window. Test both on real prompts before committing production traffic.