Qwen3.5 9B vs Qwen3.5 35B-A3B
Benchmarks, API Token Pricing, Context Window & Speed Comparison
Related topics (12)
Qwen3.5 9B by Alibaba and Qwen3.5 35B-A3B by Alibaba represent two of the frontier AI models analyzed in our comprehensive 2026 AI benchmark and LLM comparison. In this head-to-head evaluation, we examine API token pricing, context window specifications, inference speed (tokens per second), and empirical reasoning performance. From a pure economic perspective, both models offer identical input token rates. On output generation, costs are matched. In data-heavy architectures requiring extensive repository or document analysis, both models provide an identical memory horizon with 262K tokens. In latency-sensitive production environments, Qwen3.5 9B leads in tokens-per-second throughput, making it ideal for real-time conversational agents and high-concurrency workflows. Below is the complete empirical head-to-head breakdown across cost, speed, context, and capability matrices.
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Qwen3.5 9B
Modelo de Pesos AbertosO Qwen3.5 9B da Alibaba é um modelo de inteligência artificial com janela de contexto de 262K tokens e preço de API de $0/1M na entrada e $0/1M na saída, projetado para programação, raciocínio e automação empresarial.
$0.00 / 1M
$0.00 / 1M
262.1K tokens
N/A
Qwen3.5 35B-A3B
Modelo de Pesos AbertosO Qwen3.5 35B-A3B da Alibaba é um modelo de inteligência artificial com janela de contexto de 262K tokens e preço de API de $0/1M na entrada e $0/1M na saída, projetado para programação, raciocínio e automação empresarial.
$0.00 / 1M
$0.00 / 1M
262.1K tokens
N/A
Principais Diferenças em Resumo
- Both models cost the same under this workload — choose on capability, not price.
- Qwen3.5 9B is faster at 165 tok/s vs 125 tok/s.
| Feature | Qwen3.5 9B | Qwen3.5 35B-A3B |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 70 | 77 |
Provider | Alibaba | Alibaba |
Input Price Cost per million input tokens | $0.00 / 1M | $0.00 / 1M |
Output Price Cost per million output tokens | $0.00 / 1M | $0.00 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $0.00 / 1M | $0.00 / 1M |
Context Window Maximum input + output tokens | 262.1K tokens~393 A4 pages of text | 262.1K tokens~393 A4 pages of text |
Max Output Tokens Per single request | 8K | 8K |
Throughput Speed Tokens generated per second | 165 tok/s | 125 tok/s |
SWE-bench Verified Real-world software engineering | N/A | N/A |
GPQA Diamond Graduate-level reasoning | N/A | 59% |
Quem vence em cada categoria?
At-a-glance decision frameworkEvaluations ongoing
Pontuações de Benchmarks Verificadas
Official evaluation metrics verified by independent third-party research labs.
Challenging questions created by domain experts to test complex PhD-level reasoning.
Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.
Crowdsourced human preference evaluation based on blind, head-to-head model battles.
Tokens emitted per second during active generation streaming.
Latência e Tempo de Resposta
Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.
Simulador Interativo de Custo de Tokens
Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.
Qwen3.5 9B · Strengths & Key Advantages
- Arquitetura Compact Dense Autoregressive Transformer avançada da Alibaba com contexto de 262K tokens
- Excelente relação custo-benefício ($0/1M entrada, $0/1M saída) e baixa latência
- Forte desempenho em benchmarks de código, análise lógica e tarefas multilíngues
Considerations & Trade-offs
- Cargas de trabalho com contexto máximo exigem monitoramento de custos de tokens
- Requer engenharia de prompt adequada para fluxos de trabalho altamente específicos
Qwen3.5 35B-A3B · Strengths & Key Advantages
- Arquitetura Lightweight Multimodal MoE Transformer avançada da Alibaba com contexto de 262K tokens
- Excelente relação custo-benefício ($0/1M entrada, $0/1M saída) e baixa latência
- Forte desempenho em benchmarks de código, análise lógica e tarefas multilíngues
Considerations & Trade-offs
- Cargas de trabalho com contexto máximo exigem monitoramento de custos de tokens
- Requer engenharia de prompt adequada para fluxos de trabalho altamente específicos
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Qwen3.5 9B | Qwen3.5 35B-A3B |
|---|---|---|
Cost per Task Estimated USD to finish one task | $0.00 | $0.00 |
Output Tokens / Task Tokens generated per task | 10K | 14K |
Reasoning Tokens / Task Thinking tokens burned per task | 0K | 0K |
Especificações Técnicas
Architecture, release timeline, capabilities, and modalities.
| Feature | Qwen3.5 9B | Qwen3.5 35B-A3B |
|---|---|---|
| Official API Model ID (SDK) | qwen3-5-9b-instruct | qwen3-5-35b-a3b-instruct |
| API Protocol | OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI | OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI |
| Release Date | 2026-02 | 2026-02 |
| Knowledge Cutoff | December 2025 | December 2025 |
| Architecture | Compact Dense Autoregressive Transformer | Lightweight Multimodal MoE Transformer |
| Parameters | 9B | 35B total (3B active MoE) |
| Enterprise Rate Limits (RPM / TPM) | Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud | Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud |
| Long-Context Tier (>128K/200K) | Free across full context window (only KV-cache VRAM scales) | Free across full context window (only KV-cache VRAM scales) |
| Prompt Cache Policy & TTL | Automatic prefix KV-caching in vLLM / SGLang (0 cost) | Automatic prefix KV-caching in vLLM / SGLang (0 cost) |
| Computer Use / GUI Agent | API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop) | Supported (Screen coordinate grounding, browser & desktop GUI action loops) |
| MCP & Parallel Tool Calling | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema |
| Web Search Grounding & Sandbox | Supported via external Tavily/Exa Search & E2B/Docker Sandbox tools | Supported via external Tavily/Exa Search & E2B/Docker Sandbox tools |
| Official Fine-Tuning Support | Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory) | Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory) |
| Multimodal Token Billing | Text BPE (~4 chars/token) | Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) |
| Quantization & Min GPU VRAM | BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 6 GB VRAM (4-bit Quantized) · 19 GB VRAM (Native BF16) | BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 22 GB VRAM (4-bit Quantized) · 75 GB VRAM (Native BF16) |
| Safety & Frontier Classification | Open-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma) | Open-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma) |
| Enterprise Compliance (ZDR/HIPAA/SOC2) | 100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control | 100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control |
| Input Modalities | text | text, vision |
| Output Modalities | text | text |
Qwen3.5 9B vs Qwen3.5 35B-A3B: Respostas Rápidas (FAQ)
Which is more intelligent, Qwen3.5 9B or Qwen3.5 35B-A3B?
Qwen3.5 35B-A3B is more intelligent. It scores 77 compared with 70 on the composite Intelligence Index.
Which model is faster?
Qwen3.5 9B is faster, generating 165 tokens per second compared with 125 tokens per second.
Which model has lower latency?
Qwen3.5 9B has lower latency, with a time to first token of 0.22s compared with 0.34s.
Veredito
Verdict & Model Selection Recommendation: Choose Qwen3.5 9B if your priority is Local edge compute, embedded smart devices, and private offline mobile chat. Its performance in demanding tasks justifies its operational token cost. Choose Qwen3.5 35B-A3B if your workflow prioritizes Local desktop AI assistants, edge vision appliances, and real-time screen inspection. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.
Perguntas Frequentes (FAQ)
How does Qwen3.5 9B compare to Qwen3.5 35B-A3B in API token pricing and cost per token?+
Both Qwen3.5 9B and Qwen3.5 35B-A3B are open-weights foundation models available at $0.00 direct API cost when self-hosted, or offered at identical baseline rates across major inference providers. Model selection depends on GPU deployment sizing and specialized benchmark performance rather than raw token price.
Which model has a larger context window: Qwen3.5 9B or Qwen3.5 35B-A3B?+
Both Qwen3.5 9B and Qwen3.5 35B-A3B offer an identical context window of 262K tokens (~197k words). Both architectures provide equal capacity for large document ingestion, multi-file codebases, and extended multi-turn conversation histories.
Which AI model is better for software engineering and coding: Qwen3.5 9B or Qwen3.5 35B-A3B?+
Qwen3.5 9B scores at the frontier of coding benchmarks, while Qwen3.5 35B-A3B scores competitively for software generation. For complex autonomous debugging and agentic engineering, Qwen3.5 9B provides robust code generation and tool calling.
What is the difference in reasoning capability and extended thinking between Qwen3.5 9B and Qwen3.5 35B-A3B?+
Qwen3.5 9B is optimized for low-latency direct generation. In contrast, Qwen3.5 35B-A3B focuses on standard fast inference.
How does inference speed (tokens per second) compare between Qwen3.5 9B and Qwen3.5 35B-A3B?+
Qwen3.5 9B generates approximately 165 tokens per second, while Qwen3.5 35B-A3B delivers 125 tokens per second. In latency-sensitive production environments, Qwen3.5 9B provides faster time-to-first-token (TTFT) and higher streaming response velocity.
Can you implement a tiered LLM routing setup combining Qwen3.5 9B and Qwen3.5 35B-A3B to optimize costs?+
Yes! Tiered multi-model routing can optimize for latency and accuracy: you can route high-frequency conversational turns and latency-sensitive queries to Qwen3.5 9B, and route deep architectural or complex reasoning queries to Qwen3.5 9B. This balanced routing strategy maximizes system throughput and answer quality.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
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Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.
Fontes oficiais: GetInfoUs Independent AI Benchmarks & Official API Specs