Step 3.5 Flash alternatives
Looking for an alternative to Step 3.5 Flash? Here are the 6 closest llm provider / model options for AI coding, each ranked by how well it replaces Step 3.5 Flash — with the concrete reason to switch.
Quick comparison
| Model | Input price | SWE-bench | Context window | Speed |
|---|---|---|---|---|
| Step 3.5 Flash (you) | $0.10 | — | 262K | Fast |
| GPT-OSS 120B | Free (self-hosted) | 62% | 128K | Standard |
| GPT-OSS 20B | Free (self-hosted) | 61% | 128K | Fast |
| Qwen 3.5 397B-A17B | Free (self-hosted) | 71% | 256K | Standard |
| Doubao Seed 2.0 Code | $0.30 | 77% | 256K | Fast |
| Ling 2.6 (1T) | Free (self-hosted) | 72% | 256K | Standard |
| Nemotron 3 Super | Free (self-hosted) | 60% | 1M+ | Fast |
The best Step 3.5 Flash alternatives
Best open-weight model for production coding, configurable reasoning for quality/speed trade-offs, fine-tunable on single H100, agentic workflows
Why consider it instead:
- Cheaper — $0/1M input vs $0.1
Local development, consumer hardware, fast reasoning loops, cost-effective agentic coding, laptop-friendly open-weight model
Why consider it instead:
- Cheaper — $0/1M input vs $0.1
Frontier open-weight reasoning, native multimodal tasks (text/image/video co-trained), commercial use under Apache 2.0, Alibaba Cloud Model Studio (1M ctx hosted)
Why consider it instead:
- Cheaper — $0/1M input vs $0.1
Cheapest frontier-class coding model on market, high-throughput code completion, CI-driven agent loops, bulk refactors at minimal cost
Why consider it instead:
- Built for: Cheapest frontier-class coding model on market, high-throughput code completion, CI-driven agent loops, bulk refactors at minimal cost
Open-source SOTA execution-heavy tasks, enterprise agent workflows, production coding with optimized token efficiency, AIME-level reasoning
Why consider it instead:
- Cheaper — $0/1M input vs $0.1
Top-tier open-weight agentic coding, 1M-context refactors, GPU-rich self-hosted deployments, NVIDIA ecosystem (NIM/NeMo), governed enterprise environments
Why consider it instead:
- Cheaper — $0/1M input vs $0.1
- Bigger context window (1M+)
Switching from Step 3.5 Flash? Check the new tool fits the rest of your stack — Flowpicker shows compatibility warnings live.
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