LLM Reference

Grok 4.1 vs Kimi K2.7-Code

Grok 4.1 (2025) and Kimi K2.7-Code (2026) compare a standalone API model against a coding-specialized model. Grok 4.1 ships a 131k-token context window, while Kimi K2.7-Code ships a 262k-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: Grok 4.1 is standalone API model, while Kimi K2.7-Code is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalGrok 4.1Kimi K2.7-Code
Product typeStandalone API modelCoding-specialized model
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentscustom coding agents, code generation, and tool loops
Decision fitRAG, Agents, and Long contextCoding, RAG, and Agents
Context window131k262k
Cheapest output-$4/1M tokens
Provider routes0 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Grok 4.1 when...
  • Local decision data tags Grok 4.1 for RAG, Agents, and Long context.
Choose Kimi K2.7-Code when...
  • Kimi K2.7-Code has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Kimi K2.7-Code has broader tracked provider coverage for fallback and procurement flexibility.
  • Kimi K2.7-Code uniquely exposes Structured outputs in local model data.
  • Local decision data tags Kimi K2.7-Code for Coding, RAG, and Agents.

Monthly cost at traffic

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

Grok 4.1

Unavailable

No complete token price in local provider data

Kimi K2.7-Code

$1,760

Cheapest tracked route/tier: Moonshot AI Kimi

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

Switch friction

Grok 4.1 -> Kimi K2.7-Code
  • No overlapping tracked provider route is sourced for Grok 4.1 and Kimi K2.7-Code; plan for SDK, billing, or endpoint changes.
  • Kimi K2.7-Code adds Structured outputs in local capability data.
Kimi K2.7-Code -> Grok 4.1
  • No overlapping tracked provider route is sourced for Kimi K2.7-Code and Grok 4.1; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.

Specs

Specification
Released2025-11-172026-06-12
Context window131k262k
Parameters1T
Architecture-Mixture of Experts
LicenseProprietaryMITOSI-approved
OpennessProprietaryOpen source
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2024-11-

Pricing and availability

Pricing attributeGrok 4.1Kimi K2.7-Code
Input price-$0.95/1M tokens
Output price-$4/1M tokens
Providers-

Capabilities

CapabilityGrok 4.1Kimi K2.7-Code
VisionYesYes
MultimodalYesYes
ReasoningYesYes
Function callingYesYes
Tool useYesYes
Structured outputsNoYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Deep dive

The capability footprint differs most on structured outputs: Kimi K2.7-Code. Both models share vision, multimodal input, reasoning mode, and function calling, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

Pricing coverage is uneven: Grok 4.1 has no token price sourced yet and Kimi K2.7-Code has $0.95/1M input tokens. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Grok 4.1 when vision-heavy evaluation are central to the workload. Choose Kimi K2.7-Code when coding workflow support, larger context windows, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.

FAQ

Which has a larger context window, Grok 4.1 or Kimi K2.7-Code?

Kimi K2.7-Code supports 262k tokens, while Grok 4.1 supports 131k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is Grok 4.1 or Kimi K2.7-Code open source?

Grok 4.1 is listed under Proprietary. Kimi K2.7-Code is listed under MIT. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for vision, Grok 4.1 or Kimi K2.7-Code?

Both Grok 4.1 and Kimi K2.7-Code expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, Grok 4.1 or Kimi K2.7-Code?

Both Grok 4.1 and Kimi K2.7-Code expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for reasoning mode, Grok 4.1 or Kimi K2.7-Code?

Both Grok 4.1 and Kimi K2.7-Code expose reasoning mode. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Where can I run Grok 4.1 and Kimi K2.7-Code?

Grok 4.1 is available on the tracked providers still being sourced. Kimi K2.7-Code is available on Moonshot AI Kimi. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-06-14. Data sourced from public model cards and provider documentation.