Grok Code Fast 1 vs Qwen-AgentWorld-35B-A3B
Grok Code Fast 1 (2025) and Qwen-AgentWorld-35B-A3B (2026) compare a coding-specialized model against a standalone API model. Grok Code Fast 1 ships a 262k-token context window, while Qwen-AgentWorld-35B-A3B ships a 262k-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.
Treat this as a product-type comparison: Grok Code Fast 1 is coding-specialized model, while Qwen-AgentWorld-35B-A3B is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.
Decision scorecard
Local evidence first| Signal | Grok Code Fast 1 | Qwen-AgentWorld-35B-A3B |
|---|---|---|
| Product type | Coding-specialized model | Standalone API model |
| Best for | custom coding agents, code generation, and tool loops | reasoning-heavy apps and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | RAG, Agents, and Long context |
| Context window | 262k | 262k |
| Cheapest output | $1.50/1M tokens | - |
| Provider routes | 3 tracked | 0 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Grok Code Fast 1 has broader tracked provider coverage for fallback and procurement flexibility.
- Grok Code Fast 1 uniquely exposes Function calling and Structured outputs in local model data.
- Local decision data tags Grok Code Fast 1 for Coding, RAG, and Agents.
- Qwen-AgentWorld-35B-A3B uniquely exposes Reasoning in local model data.
- Local decision data tags Qwen-AgentWorld-35B-A3B 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.
Grok Code Fast 1
$535
Cheapest tracked route/tier: OpenRouter
Qwen-AgentWorld-35B-A3B
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Grok Code Fast 1 and Qwen-AgentWorld-35B-A3B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Function calling and Structured outputs before moving production traffic.
- Qwen-AgentWorld-35B-A3B adds Reasoning in local capability data.
- No overlapping tracked provider route is sourced for Qwen-AgentWorld-35B-A3B and Grok Code Fast 1; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning before moving production traffic.
- Grok Code Fast 1 adds Function calling and Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-08-27 | 2026-06-25 |
| Context window | 262k | 262k |
| Parameters | 314B | 35B total, 3B active |
| Architecture | Mixture of Experts | Mixture of Experts |
| License | Proprietary | Apache 2.0OSI-approved |
| Openness | Proprietary | Open source |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Grok Code Fast 1 | Qwen-AgentWorld-35B-A3B |
|---|---|---|
| Input price | $0.20/1M tokens | - |
| Output price | $1.50/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Grok Code Fast 1 | Qwen-AgentWorld-35B-A3B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | Yes |
| Function calling | Yes | No |
| Tool use | Yes | Yes |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Deep dive
The capability footprint differs most on reasoning mode: Qwen-AgentWorld-35B-A3B, function calling: Grok Code Fast 1, and structured outputs: Grok Code Fast 1. Both models share tool use, 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.
Pricing coverage is uneven: Grok Code Fast 1 has $0.20/1M input tokens and Qwen-AgentWorld-35B-A3B has no token price sourced yet. Provider availability is 3 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Grok Code Fast 1 when coding workflow support and broader provider choice are central to the workload. Choose Qwen-AgentWorld-35B-A3B when reasoning depth 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.
FAQ
Which has a larger context window, Grok Code Fast 1 or Qwen-AgentWorld-35B-A3B?
Grok Code Fast 1 supports 262k tokens, while Qwen-AgentWorld-35B-A3B supports 262k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Grok Code Fast 1 or Qwen-AgentWorld-35B-A3B open source?
Grok Code Fast 1 is listed under Proprietary. Qwen-AgentWorld-35B-A3B 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, Grok Code Fast 1 or Qwen-AgentWorld-35B-A3B?
Qwen-AgentWorld-35B-A3B 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, Grok Code Fast 1 or Qwen-AgentWorld-35B-A3B?
Grok Code Fast 1 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.
Which is better for tool use, Grok Code Fast 1 or Qwen-AgentWorld-35B-A3B?
Both Grok Code Fast 1 and Qwen-AgentWorld-35B-A3B expose tool use. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Grok Code Fast 1 and Qwen-AgentWorld-35B-A3B?
Grok Code Fast 1 is available on OpenRouter, Microsoft Foundry, and xAI Console. Qwen-AgentWorld-35B-A3B is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-06-25. Data sourced from public model cards and provider documentation.