DeepSeek R1 0528 vs Trinity-Large-Preview
DeepSeek R1 0528 (2025) and Trinity-Large-Preview (2026) are frontier reasoning models from DeepSeek and Arcee AI. DeepSeek R1 0528 ships a 130k-token context window, while Trinity-Large-Preview ships a 128k-token context window. On pricing, Trinity-Large-Preview costs $0.15/1M 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.
Trinity-Large-Preview is ~233% cheaper at $0.15/1M; pay for DeepSeek R1 0528 only for coding workflow support.
Decision scorecard
Local evidence first| Signal | DeepSeek R1 0528 | Trinity-Large-Preview |
|---|---|---|
| Best for | reasoning-heavy apps and provider-routed production | tool-calling agents and provider-routed production |
| Decision fit | Coding, RAG, and Agents | RAG, Agents, and Long context |
| Context window | 130k | 128k |
| Cheapest output | $2.15/1M tokens | $0.45/1M tokens |
| Provider routes | 6 tracked | 3 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- DeepSeek R1 0528 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- DeepSeek R1 0528 has broader tracked provider coverage for fallback and procurement flexibility.
- DeepSeek R1 0528 uniquely exposes Reasoning and Code execution in local model data.
- Local decision data tags DeepSeek R1 0528 for Coding, RAG, and Agents.
- Trinity-Large-Preview has the lower cheapest tracked output price at $0.45/1M tokens.
- Trinity-Large-Preview uniquely exposes Function calling and Tool use in local model data.
- Local decision data tags Trinity-Large-Preview 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.
DeepSeek R1 0528
$938
Cheapest tracked route/tier: OpenRouter
Trinity-Large-Preview
$233
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $705. 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.
- Trinity-Large-Preview is $1.70/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Reasoning and Code execution before moving production traffic.
- Trinity-Large-Preview adds Function calling and Tool use in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- DeepSeek R1 0528 is $1.70/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Function calling and Tool use before moving production traffic.
- DeepSeek R1 0528 adds Reasoning and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-05-28 | 2026-01-27 |
| Context window | 130k | 128k |
| Parameters | 685B total, 37B active (MoE) | 400B |
| Architecture | decoder only | Sparse Mixture of Experts (MoE) |
| License | MIT(OSI) | Apache 2.0(OSI) |
| Openness | Open source | Open source |
| Commercial use | Commercial use allowed | Commercial use allowed |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | DeepSeek R1 0528 | Trinity-Large-Preview |
|---|---|---|
| Input price | $0.50/1M tokens | $0.15/1M tokens |
| Output price | $2.15/1M tokens | $0.45/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek R1 0528 | Trinity-Large-Preview |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | Yes | No |
| Function calling | No | Yes |
| 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
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on reasoning mode: DeepSeek R1 0528, function calling: Trinity-Large-Preview, tool use: Trinity-Large-Preview, and code execution: DeepSeek R1 0528. Both models share structured outputs, 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 0528 lists $0.50/1M input and $2.15/1M output tokens on the cheapest tracked provider, while Trinity-Large-Preview lists $0.15/1M input and $0.45/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Trinity-Large-Preview lower by about $0.75 per million blended tokens. Availability is 6 providers versus 3, so concentration risk also matters.
Choose DeepSeek R1 0528 when coding workflow support, larger context windows, and broader provider choice are central to the workload. Choose Trinity-Large-Preview when provider fit and lower input-token cost 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. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, DeepSeek R1 0528 or Trinity-Large-Preview?
DeepSeek R1 0528 supports 130k tokens, while Trinity-Large-Preview 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 0528 or Trinity-Large-Preview?
Trinity-Large-Preview is cheaper on tracked token pricing. DeepSeek R1 0528 costs $0.50/1M input and $2.15/1M output tokens. Trinity-Large-Preview costs $0.15/1M input and $0.45/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is DeepSeek R1 0528 or Trinity-Large-Preview open source?
DeepSeek R1 0528 is listed under MIT. Trinity-Large-Preview is listed under Apache 2.0. 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 0528 or Trinity-Large-Preview?
DeepSeek R1 0528 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 function calling, DeepSeek R1 0528 or Trinity-Large-Preview?
Trinity-Large-Preview has the clearer documented function calling signal in this comparison. If function calling 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 0528 and Trinity-Large-Preview?
DeepSeek R1 0528 is available on Together AI, Fireworks AI, GCP Vertex AI, Novita AI, and OpenRouter. Trinity-Large-Preview is available on OpenRouter, Arcee AI, and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.