Claude Fable 5 vs Gemini 3.5 Flash vs Kimi K3

Claude Fable 5 vs Gemini 3.5 Flash vs Kimi K3: Gemini 3.5 Flash is the cheapest by 83%. Claude Fable 5 (Azure AI Foundry, 1,000,000 ctx); Gemini 3.5 Flash (Google Vertex AI, 1,048,576 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 Gemini 3.5 Flash Kimi K3
Input price$10.00/M$1.50/M$3.00/M
Output price$50.00/M$9.00/M$15.00/M
Context window1,000,0001,048,5761,048,576
Max output128,00065,5351,048,576
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verifiedAug 6, 2026Aug 6, 2026Aug 6, 2026
Cheaper option
~83% cheaper than the priciest in this trio
Larger context
1,048,576 tokens
More capabilities
6 of 6 capability flags advertised

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