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Vision Index

Claude Fable 5.1 vs Kimi K3

Claude Fable 5.1 leads on the Visual Intelligence Index by 4.3 points, and Claude Fable 5.1 scores higher on 6 of the 7 benchmarks where the two differ.

AnthropicClaude Fable 5.176.2%Rank #3MoonshotKimi K371.9%Rank #5

At a glance

MeasureClaude Fable 5.1Kimi K3
Visual Intelligence Index76.2%71.9%
Rank#3 of 9#5 of 9
Cost per taskMean over the benchmarks, at list price.$0.517$0.114
Latency per taskEach benchmark's median, averaged.9.0s29.2s
Tokens per task51,15131,619
Input / 1M tokens$10.00$3.00
Output / 1M tokens$50.00$15.00
Context window1M1.05M
AvailabilityProprietaryOpen weights

How cost and latency are measured

Capabilities

Each capability index is a weighted mean of the benchmarks that contribute to the capability.

CapabilityClaude Fable 5.1Kimi K3
Perception75.3%71.5%
Spatial Reasoning77.0%73.7%
Temporal Reasoning76.4%72.4%
Action / Event Understanding74.0%66.8%
Causal Reasoning78.7%75.2%
Information Retrieval74.7%70.1%

Benchmarks

BenchmarkClaude Fable 5.1Kimi K3
Video-MME v266.2%55.2%
LVBench75.0%66.8%
Perception Test77.3%82.4%
NExT-QA86.8%86.3%
Q-Bench Video71.0%67.5%
EgoSchema80.4%78.6%
UCF101-AD60.6%39.4%

Usability

Claude Fable 5.1

3.0/ 5

Reachable1.0

There is an endpoint you can call without hosting anything.

  • First-party API — supported
  • Third-party API — supported
Portable0.0

You can run it yourself, and are not tied to one vendor.

  • Open weights — not supported
  • Self-hostable — not supported
Multimodal input0.0

It takes the footage directly, rather than frames you extracted.

  • Video ingestion — not supported
  • Audio — not supported
Programmable1.0

Output you can parse, and tools it can call on its own.

  • Structured output — supported
  • Tool calling — supported
Operable1.0

Usable interactively and in bulk, not only one call at a time.

  • Streaming — supported
  • Batch API — supported

Kimi K3

4.0/ 5

Reachable1.0

There is an endpoint you can call without hosting anything.

  • First-party API — supported
  • Third-party API — supported
Portable1.0

You can run it yourself, and are not tied to one vendor.

  • Open weights — supported
  • Self-hostable — supported
Multimodal input0.5

It takes the footage directly, rather than frames you extracted.

  • Video ingestion — supported
  • Audio — not supported
Programmable1.0

Output you can parse, and tools it can call on its own.

  • Structured output — supported
  • Tool calling — supported
Operable0.5

Usable interactively and in bulk, not only one call at a time.

  • Streaming — supported
  • Batch API — not supported