LLM Reference

DeepSeek R1 vs Kimi K2.6

DeepSeek R1 (2025) and Kimi K2.6 (2026) compare a standalone API model against a coding-specialized model. DeepSeek R1 ships a 128k-token context window, while Kimi K2.6 ships a 262k-token context window. On SWE-bench Verified, Kimi K2.6 leads by 31 pts. On pricing, DeepSeek R1 costs $0.10/1M input tokens versus $0.73/1M for the alternative. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: DeepSeek R1 is standalone API model, while Kimi K2.6 is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalDeepSeek R1Kimi K2.6
Product typeStandalone API modelCoding-specialized model
Best forreasoning-heavy apps and provider-routed productioncustom coding agents, code generation, and tool loops
Decision fitCoding, RAG, and AgentsCoding, RAG, and Agents
Context window128k262k
Cheapest output$0.30/1M tokens$3.49/1M tokens
Provider routes14 tracked9 tracked
Shared benchmarks4 sharedSWE-bench Verified leader

Decision tradeoffs

Choose DeepSeek R1 when...
  • DeepSeek R1 has the lower cheapest tracked output price at $0.30/1M tokens.
  • DeepSeek R1 has broader tracked provider coverage for fallback and route flexibility.
  • DeepSeek R1 uniquely exposes Code execution in local model data.
  • Local decision data tags DeepSeek R1 for Coding, RAG, and Agents.
Choose Kimi K2.6 when...
  • Kimi K2.6 holds a shared-benchmark lead on SWE-bench Verified, ahead by 31 points.
  • Kimi K2.6 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Kimi K2.6 uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
  • Local decision data tags Kimi K2.6 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.

Lower estimate DeepSeek R1

DeepSeek R1

$155

Cheapest tracked route/tier: Bitdeer AI

Kimi K2.6

$1,457

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $1,302. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

DeepSeek R1 -> Kimi K2.6
  • Provider overlap exists on NVIDIA NIM, Fireworks AI, and OpenRouter; start route-level A/B tests there.
  • Kimi K2.6 is $3.19/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Code execution before moving production traffic.
  • Kimi K2.6 adds Vision, Multimodal, and JSON / Tool use in local capability data.
Kimi K2.6 -> DeepSeek R1
  • Provider overlap exists on OpenRouter, Together AI, and Fireworks AI; start route-level A/B tests there.
  • DeepSeek R1 is $3.19/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
  • DeepSeek R1 adds Code execution in local capability data.

Specs

Specification
Released2025-01-202026-04-20
Context window128k262k
Parameters671B, 37B Active1T
ArchitectureDecoder OnlyMixture of Experts
LicenseMITOSI-approvedMITOSI-approved
OpennessOpen sourceOpen source
WeightsAvailableAvailable·Moonshot Modified MIT License
CodeUnknownAvailable·Moonshot Modified MIT License
Commercial useCommercial use: permittedCommercial use: permitted
Knowledge cutoff2023-122025-04

Pricing and availability

Pricing attributeDeepSeek R1Kimi K2.6
Input price$0.10/1M tokens$0.73/1M tokens
Output price$0.30/1M tokens$3.49/1M tokens
Providers
DeepSeek PlatformOpenRouterTogether AIFireworks AINVIDIA NIMMicrosoft Foundry
Cloudflare Workers AINVIDIA NIMMoonshot AI KimiFireworks AIOpenRouterMicrosoft Foundry

Capabilities

CapabilityDeepSeek R1Kimi K2.6
VisionNoYes
MultimodalNoYes
ReasoningYesYes
JSON / Tool useNoYes
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkDeepSeek R1Kimi K2.6
SWE-bench Verified49.280.2
Google-Proof Q&A71.590.5
HumanEval89.992.0
Chatbot Arena1372.01462.0

Continue comparing

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Last reviewed: 2026-06-30. Data sourced from public model cards and provider documentation.