LLM Reference

Kimi K2 Thinking Turbo vs Phi-4 Reasoning Vision 15B

Kimi K2 Thinking Turbo (2025) and Phi-4 Reasoning Vision 15B (2026) are general-purpose language models from Moonshot AI and Microsoft Research. Kimi K2 Thinking Turbo ships a 262k-token context window, while Phi-4 Reasoning Vision 15B ships a not-yet-sourced context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Phi-4 Reasoning Vision 15B is safer overall; choose Kimi K2 Thinking Turbo when provider fit matters.

Decision scorecard

Local evidence first
SignalKimi K2 Thinking TurboPhi-4 Reasoning Vision 15B
Best forgeneral production evaluationmultimodal apps
Decision fitLong contextVision
Context window262k
Cheapest output$8/1M tokens-
Provider routes1 tracked0 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Kimi K2 Thinking Turbo when...
  • Kimi K2 Thinking Turbo has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Kimi K2 Thinking Turbo has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags Kimi K2 Thinking Turbo for Long context.
Choose Phi-4 Reasoning Vision 15B when...
  • Phi-4 Reasoning Vision 15B uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Phi-4 Reasoning Vision 15B for Vision.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Kimi K2 Thinking Turbo

$2,920

Cheapest tracked route/tier: Vercel AI Gateway

Phi-4 Reasoning Vision 15B

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Kimi K2 Thinking Turbo -> Phi-4 Reasoning Vision 15B
  • No overlapping tracked provider route is sourced for Kimi K2 Thinking Turbo and Phi-4 Reasoning Vision 15B; plan for SDK, billing, or endpoint changes.
  • Phi-4 Reasoning Vision 15B adds Vision and Multimodal in local capability data.
Phi-4 Reasoning Vision 15B -> Kimi K2 Thinking Turbo
  • No overlapping tracked provider route is sourced for Phi-4 Reasoning Vision 15B and Kimi K2 Thinking Turbo; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.

Specs

Specification
Released2025-11-062026-03-12
Context window262k
Parameters1T (32B active)15B
Architecture--
LicenseMITOSI-approvedMITOSI-approved
OpennessOpen sourceOpen source
WeightsUnknownUnknown
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: permitted
Knowledge cutoff-2025-03

Pricing and availability

Pricing attributeKimi K2 Thinking TurboPhi-4 Reasoning Vision 15B
Input price$1.15/1M tokens-
Output price$8/1M tokens-
Providers-

Capabilities

CapabilityKimi K2 Thinking TurboPhi-4 Reasoning Vision 15B
VisionNoYes
MultimodalNoYes
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.