LLM Reference

DeepSeek R1 vs Kimi K2 Thinking Turbo

DeepSeek R1 (2025) and Kimi K2 Thinking Turbo (2025) are frontier reasoning models from DeepSeek and Moonshot AI. DeepSeek R1 ships a 128k-token context window, while Kimi K2 Thinking Turbo ships a 262k-token context window. On pricing, DeepSeek R1 costs $0.10/1M input tokens versus $1.15/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

DeepSeek R1 is ~1050% cheaper at $0.10/1M; pay for Kimi K2 Thinking Turbo only for long-context analysis.

Decision scorecard

Local evidence first
SignalDeepSeek R1Kimi K2 Thinking Turbo
Best forreasoning-heavy apps and provider-routed productiongeneral production evaluation
Decision fitCoding, RAG, and AgentsLong context
Context window128k262k
Cheapest output$0.30/1M tokens$8/1M tokens
Provider routes14 tracked1 tracked
Shared benchmarks0 rows0 rows

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 procurement flexibility.
  • DeepSeek R1 uniquely exposes Reasoning, Structured outputs, and Code execution in local model data.
  • Local decision data tags DeepSeek R1 for Coding, RAG, and Agents.
Choose Kimi K2 Thinking Turbo when...
  • Kimi K2 Thinking Turbo has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Kimi K2 Thinking Turbo for Long context.

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 Thinking Turbo

$2,920

Cheapest tracked route/tier: Vercel AI Gateway

Estimated monthly gap: $2,765. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

DeepSeek R1 -> Kimi K2 Thinking Turbo
  • Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
  • Kimi K2 Thinking Turbo is $7.70/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Reasoning, Structured outputs, and Code execution before moving production traffic.
Kimi K2 Thinking Turbo -> DeepSeek R1
  • Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
  • DeepSeek R1 is $7.70/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • DeepSeek R1 adds Reasoning, Structured outputs, and Code execution in local capability data.

Specs

Specification
Released2025-01-202025-11-06
Context window128k262k
Parameters671B, 37B Active1T (32B active)
Architecturedecoder only-
LicenseMIT(OSI)MIT(OSI)
OpennessOpen sourceOpen source
Commercial useCommercial use allowedCommercial use allowed
Knowledge cutoff2023-12-

Pricing and availability

Pricing attributeDeepSeek R1Kimi K2 Thinking Turbo
Input price$0.10/1M tokens$1.15/1M tokens
Output price$0.30/1M tokens$8/1M tokens
Providers

Capabilities

CapabilityDeepSeek R1Kimi K2 Thinking Turbo
VisionNoNo
MultimodalNoNo
ReasoningYesNo
Function callingNoNo
Tool useNoNo
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on reasoning mode: DeepSeek R1, structured outputs: DeepSeek R1, and code execution: DeepSeek R1. Both models share the core language-model surface, 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.

For cost, DeepSeek R1 lists $0.10/1M input and $0.30/1M output tokens on the cheapest tracked provider, while Kimi K2 Thinking Turbo lists $1.15/1M input and $8/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts DeepSeek R1 lower by about $3.04 per million blended tokens. Availability is 14 providers versus 1, so concentration risk also matters.

Choose DeepSeek R1 when coding workflow support, lower input-token cost, and broader provider choice are central to the workload. Choose Kimi K2 Thinking Turbo when long-context analysis and larger context windows 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.

FAQ

Which has a larger context window, DeepSeek R1 or Kimi K2 Thinking Turbo?

Kimi K2 Thinking Turbo supports 262k tokens, while DeepSeek R1 supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Which is cheaper, DeepSeek R1 or Kimi K2 Thinking Turbo?

DeepSeek R1 is cheaper on tracked token pricing. DeepSeek R1 costs $0.10/1M input and $0.30/1M output tokens. Kimi K2 Thinking Turbo costs $1.15/1M input and $8/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is DeepSeek R1 or Kimi K2 Thinking Turbo open source?

DeepSeek R1 is listed under MIT. Kimi K2 Thinking Turbo 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 reasoning mode, DeepSeek R1 or Kimi K2 Thinking Turbo?

DeepSeek R1 has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for structured outputs, DeepSeek R1 or Kimi K2 Thinking Turbo?

DeepSeek R1 has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run DeepSeek R1 and Kimi K2 Thinking Turbo?

DeepSeek R1 is available on DeepSeek Platform, OpenRouter, Together AI, Fireworks AI, and NVIDIA NIM. Kimi K2 Thinking Turbo is available on Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.