Kimi K2 Thinking Turbo vs o3 Deep Research
Kimi K2 Thinking Turbo (2025) and o3 Deep Research (2025) are frontier reasoning models from Moonshot AI and OpenAI. Kimi K2 Thinking Turbo ships a 262k-token context window, while o3 Deep Research ships a 200k-token context window. On pricing, Kimi K2 Thinking Turbo costs $1.15/1M input tokens versus $10/1M 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.
Kimi K2 Thinking Turbo is ~770% cheaper at $1.15/1M; pay for o3 Deep Research only for reasoning depth.
Decision scorecard
Local evidence first| Signal | Kimi K2 Thinking Turbo | o3 Deep Research |
|---|---|---|
| Best for | general production evaluation | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Long context | RAG, Agents, and Long context |
| Context window | 262k | 200k |
| Cheapest output | $8/1M tokens | $40/1M tokens |
| Provider routes | 1 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Kimi K2 Thinking Turbo has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Kimi K2 Thinking Turbo has the lower cheapest tracked output price at $8/1M tokens.
- Local decision data tags Kimi K2 Thinking Turbo for Long context.
- o3 Deep Research has broader tracked provider coverage for fallback and route flexibility.
- o3 Deep Research uniquely exposes Vision, Multimodal, and Reasoning in local model data.
- Local decision data tags o3 Deep Research for RAG, Agents, and Long context.
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
o3 Deep Research
$18,000
Cheapest tracked route/tier: Vercel AI Gateway
Estimated monthly gap: $15,080. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
- o3 Deep Research is $32/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- o3 Deep Research adds Vision, Multimodal, and Reasoning in local capability data.
- Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
- Kimi K2 Thinking Turbo is $32/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-11-06 | 2025-10-10 |
| Context window | 262k | 200k |
| Parameters | 1T (32B active) | — |
| Architecture | - | Decoder Only |
| License | MITOSI-approved | Proprietary |
| Openness | Open source | Proprietary |
| Weights | Unknown | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: conditional |
| Knowledge cutoff | - | 2024-06 |
Pricing and availability
| Pricing attribute | Kimi K2 Thinking Turbo | o3 Deep Research |
|---|---|---|
| Input price | $1.15/1M tokens | $10/1M tokens |
| Output price | $8/1M tokens | $40/1M tokens |
| Providers |
Capabilities
| Capability | Kimi K2 Thinking Turbo | o3 Deep Research |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
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.