DeepSeek R1 0528 vs DeepSeek V4 Pro
DeepSeek R1 0528 (2025) and DeepSeek V4 Pro (2026) are frontier-tier reasoning models from DeepSeek. DeepSeek R1 0528 ships a 130k-token context window, while DeepSeek V4 Pro ships a 1m-token context window. On MMLU PRO, DeepSeek V4 Pro leads by 2.5 pts. On pricing, DeepSeek V4 Pro costs $0.43/1M input tokens versus $0.50/1M 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 V4 Pro fits 8x more tokens; pick it for long-context work and DeepSeek R1 0528 for tighter calls.
Decision scorecard
Local evidence first| Signal | DeepSeek R1 0528 | DeepSeek V4 Pro |
|---|---|---|
| Best for | reasoning-heavy apps and provider-routed production | reasoning-heavy apps, tool-calling agents, and long-context analysis |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 130k | 1m |
| Cheapest output | $2.15/1M tokens | $0.87/1M tokens |
| Provider routes | 7 tracked | 5 tracked |
| Shared benchmarks | 4 shared | MMLU PRO leader |
Decision tradeoffs
- DeepSeek R1 0528 has broader tracked provider coverage for fallback and route flexibility.
- DeepSeek R1 0528 uniquely exposes Code execution in local model data.
- Local decision data tags DeepSeek R1 0528 for Coding, RAG, and Agents.
- DeepSeek V4 Pro holds a shared-benchmark lead on MMLU PRO, ahead by 2.5 points.
- DeepSeek V4 Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
- DeepSeek V4 Pro has the lower cheapest tracked output price at $0.87/1M tokens.
- DeepSeek V4 Pro uniquely exposes JSON / Tool use in local model data.
- Local decision data tags DeepSeek V4 Pro 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.
DeepSeek R1 0528
$938
Cheapest tracked route/tier: OpenRouter
DeepSeek V4 Pro
$566
Cheapest tracked route/tier: DeepSeek Platform
Estimated monthly gap: $372. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on Fireworks AI, OpenRouter, and Novita AI; start route-level A/B tests there.
- DeepSeek V4 Pro is $1.28/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Code execution before moving production traffic.
- DeepSeek V4 Pro adds JSON / Tool use in local capability data.
- Provider overlap exists on Fireworks AI, Novita AI, and OpenRouter; start route-level A/B tests there.
- DeepSeek R1 0528 is $1.28/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for JSON / Tool use before moving production traffic.
- DeepSeek R1 0528 adds Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-05-28 | 2026-04-24 |
| Context window | 130k | 1m |
| Parameters | 685B total, 37B active (MoE) | 1.6T |
| Architecture | Decoder Only | Mixture of Experts |
| License | MITOSI-approved | MITOSI-approved |
| Openness | Open source | Open source |
| Weights | Unknown | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | DeepSeek R1 0528 | DeepSeek V4 Pro |
|---|---|---|
| Input price | $0.50/1M tokens | $0.43/1M tokens |
| Output price | $2.15/1M tokens | $0.87/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek R1 0528 | DeepSeek V4 Pro |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | Yes | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | DeepSeek R1 0528 | DeepSeek V4 Pro |
|---|---|---|
| MMLU PRO | 85.0 | 87.5 |
| SWE-bench Verified | 57.6 | 80.6 |
| Google-Proof Q&A | 81.0 | 90.1 |
| LiveCodeBench | 73.3 | 93.5 |
Continue comparing
- DeepSeek R1 0528 vs Phi-4 Mini Flash Reasoning
- DeepSeek R1 vs DeepSeek V4 Pro
- DeepSeek V4 Pro vs GLM-5.1
- DeepSeek V4 Pro vs Kimi K2.6
- Claude Sonnet 4.6 vs DeepSeek V4 Pro
- DeepSeek V4 Flash vs DeepSeek V4 Pro
- DeepSeek V4 Pro vs Gemini 2.5 Flash
- Claude Sonnet 4.5 vs DeepSeek V4 Pro
- DeepSeek V4 Pro vs Gemini 2.5 Pro
Popular comparisons for DeepSeek R1 0528
Popular comparisons for DeepSeek V4 Pro
Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.