DeepSeek R1 0528 Distill Qwen3-8B vs Step 3.7 Flash
DeepSeek R1 0528 Distill Qwen3-8B (2025) and Step 3.7 Flash (2026) are frontier-tier reasoning models from Alibaba and StepFun. DeepSeek R1 0528 Distill Qwen3-8B ships a 160k-token context window, while Step 3.7 Flash ships a 256k-token context window. On pricing, both list $0.20/1M input tokens on the cheapest tracked route. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Step 3.7 Flash is safer overall; choose DeepSeek R1 0528 Distill Qwen3-8B when provider fit matters.
Decision scorecard
Local evidence first| Signal | DeepSeek R1 0528 Distill Qwen3-8B | Step 3.7 Flash |
|---|---|---|
| Best for | reasoning-heavy apps | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Long context | Coding, RAG, and Agents |
| Context window | 160k | 256k |
| Cheapest output | $0.20/1M tokens | $1.15/1M tokens |
| Provider routes | 1 tracked | 3 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- DeepSeek R1 0528 Distill Qwen3-8B has the lower cheapest tracked output price at $0.20/1M tokens.
- Local decision data tags DeepSeek R1 0528 Distill Qwen3-8B for Long context.
- Step 3.7 Flash has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Step 3.7 Flash has broader tracked provider coverage for fallback and procurement flexibility.
- Step 3.7 Flash uniquely exposes Vision, Multimodal, and Function calling in local model data.
- Local decision data tags Step 3.7 Flash 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 Distill Qwen3-8B
$210
Cheapest tracked route/tier: Fireworks AI
Step 3.7 Flash
$448
Cheapest tracked route/tier: StepFun
Estimated monthly gap: $238. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for DeepSeek R1 0528 Distill Qwen3-8B and Step 3.7 Flash; plan for SDK, billing, or endpoint changes.
- Step 3.7 Flash is $0.95/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Step 3.7 Flash adds Vision, Multimodal, and Function calling in local capability data.
- No overlapping tracked provider route is sourced for Step 3.7 Flash and DeepSeek R1 0528 Distill Qwen3-8B; plan for SDK, billing, or endpoint changes.
- DeepSeek R1 0528 Distill Qwen3-8B is $0.95/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Function calling before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-01-01 | 2026-05-29 |
| Context window | 160k | 256k |
| Parameters | 8B | 198B (11B active) |
| Architecture | decoder only | mixture of experts |
| License | Open Source | Apache 2.0 |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | DeepSeek R1 0528 Distill Qwen3-8B | Step 3.7 Flash |
|---|---|---|
| Input price | $0.20/1M tokens | $0.20/1M tokens |
| Output price | $0.20/1M tokens | $1.15/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek R1 0528 Distill Qwen3-8B | Step 3.7 Flash |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| Function calling | No | Yes |
| 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 rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Step 3.7 Flash, multimodal input: Step 3.7 Flash, function calling: Step 3.7 Flash, tool use: Step 3.7 Flash, and structured outputs: Step 3.7 Flash. Both models share reasoning mode, 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 Distill Qwen3-8B lists $0.20/1M input and $0.20/1M output tokens on the cheapest tracked provider, while Step 3.7 Flash lists $0.20/1M input and $1.15/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts DeepSeek R1 0528 Distill Qwen3-8B lower by about $0.29 per million blended tokens. Availability is 1 providers versus 3, so concentration risk also matters.
Choose DeepSeek R1 0528 Distill Qwen3-8B when provider fit are central to the workload. Choose Step 3.7 Flash when long-context analysis, larger context windows, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, DeepSeek R1 0528 Distill Qwen3-8B or Step 3.7 Flash?
Step 3.7 Flash supports 256k tokens, while DeepSeek R1 0528 Distill Qwen3-8B supports 160k 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 Distill Qwen3-8B or Step 3.7 Flash?
DeepSeek R1 0528 Distill Qwen3-8B is cheaper on tracked token pricing. DeepSeek R1 0528 Distill Qwen3-8B costs $0.20/1M input and $0.20/1M output tokens. Step 3.7 Flash costs $0.20/1M input and $1.15/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is DeepSeek R1 0528 Distill Qwen3-8B or Step 3.7 Flash open source?
DeepSeek R1 0528 Distill Qwen3-8B is listed under Open Source. Step 3.7 Flash 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 vision, DeepSeek R1 0528 Distill Qwen3-8B or Step 3.7 Flash?
Step 3.7 Flash has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, DeepSeek R1 0528 Distill Qwen3-8B or Step 3.7 Flash?
Step 3.7 Flash has the clearer documented multimodal input signal in this comparison. If multimodal input 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 Distill Qwen3-8B and Step 3.7 Flash?
DeepSeek R1 0528 Distill Qwen3-8B is available on Fireworks AI. Step 3.7 Flash is available on StepFun, OpenRouter, and NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-29. Data sourced from public model cards and provider documentation.