DeepSeek R1 vs GPT-4o Search Preview
DeepSeek R1 (2025) and GPT-4o Search Preview (2025) are frontier reasoning models from DeepSeek and OpenAI. DeepSeek R1 ships a 128k-token context window, while GPT-4o Search Preview ships a 128k-token context window. On pricing, DeepSeek R1 costs $0.10/1M input tokens versus $2.50/1M 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 ~2400% cheaper at $0.10/1M; pay for GPT-4o Search Preview only for provider fit.
Decision scorecard
Local evidence first| Signal | DeepSeek R1 | GPT-4o Search Preview |
|---|---|---|
| Best for | reasoning-heavy apps and provider-routed production | provider-routed production |
| Decision fit | Coding, RAG, and Agents | RAG, Long context, and Classification |
| Context window | 128k | 128k |
| Cheapest output | $0.30/1M tokens | $10/1M tokens |
| Provider routes | 14 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- 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 Reasoning and Code execution in local model data.
- Local decision data tags DeepSeek R1 for Coding, RAG, and Agents.
- Local decision data tags GPT-4o Search Preview for RAG, Long context, and Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
DeepSeek R1
$155
Cheapest tracked route/tier: Bitdeer AI
GPT-4o Search Preview
$4,500
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $4,345. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- GPT-4o Search Preview is $9.70/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Reasoning and Code execution before moving production traffic.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- DeepSeek R1 is $9.70/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- DeepSeek R1 adds Reasoning and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-01-20 | 2025-02-26 |
| Context window | 128k | 128k |
| Parameters | 671B, 37B Active | — |
| Architecture | Decoder Only | Decoder Only |
| License | MITOSI-approved | Proprietary |
| Openness | Open source | Proprietary |
| Weights | Available | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: conditional |
| Knowledge cutoff | 2023-12 | 2023-10 |
Pricing and availability
| Pricing attribute | DeepSeek R1 | GPT-4o Search Preview |
|---|---|---|
| Input price | $0.10/1M tokens | $2.50/1M tokens |
| Output price | $0.30/1M tokens | $10/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek R1 | GPT-4o Search Preview |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | Yes | No |
| JSON / Tool use | No | No |
| Structured outputs | Yes | Yes |
| Code execution | Yes | 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.