Claude Fable 5 vs Claude Opus 5 vs Kimi K3

Claude Fable 5 vs Claude Opus 5 vs Kimi K3: Kimi K3 is the cheapest by 70%. Claude Fable 5 (Azure AI Foundry, 1,000,000 ctx); Claude Opus 5 (Azure AI Foundry, 1,000,000 ctx); Kimi K3 (Moonshot AI, 1,048,576 ctx). Route any of them via Agent Command Center for shadow A/B without code changes.

Claude Fable 5 Claude Opus 5 Kimi K3
Input price$10.00/M$5.00/M$3.00/M
Output price$50.00/M$25.00/M$15.00/M
Context window1,000,0001,000,0001,048,576
Max output128,000128,0001,048,576
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verifiedAug 6, 2026Aug 6, 2026Aug 6, 2026
Cheaper option
~70% cheaper than the priciest in this trio
Larger context
1,048,576 tokens
More capabilities
5 of 6 capability flags advertised

Drill into pairwise comparisons

Each pair has a live calculator and a benchmark chart.