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o4 Mini vs Qwen3.5-9B

Complete pricing and performance comparison between OpenAI's o4 Mini and Alibaba's Qwen3.5-9B.

Quick Verdict

Cheaper
Qwen3.5-9B
22.0x cheaper input, 29.3x cheaper output
Larger Context
Qwen3.5-9B
262K vs 200K

Pricing Comparison

Speco4 MiniQwen3.5-9BDifference
ProviderOpenAIAlibaba
Input / 1M tokens$1.1$0.05Qwen3.5-9B is 95% more expensive
Output / 1M tokens$4.4$0.15Qwen3.5-9B is 97% more expensive
Context Window200K262K1x difference
Max Output100K33K
Tokenizero200k_basecl100k_base

Performance Benchmarks

Metrico4 MiniQwen3.5-9BWinner
Quality Index33--N/A
Output Speed140 tok/s--N/A
Value (Quality/$)30.1--Higher = better value

Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.

Cost at Scale

Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).

Usageo4 MiniQwen3.5-9BSavings
Single request
1K in / 300 out
$0.0024$0.0001Qwen3.5-9B saves $0.0023
10 requests
10K in / 3K out
$0.024$0.0009Qwen3.5-9B saves $0.023
100 requests
100K in / 30K out
$0.242$0.0095Qwen3.5-9B saves $0.233
1,000 requests
1M in / 300K out
$2.42$0.095Qwen3.5-9B saves $2.32
10,000 requests
10M in / 3M out
$24.20$0.950Qwen3.5-9B saves $23.25
1M requests/mo
1B in / 300M out
$2420.00$95.00Qwen3.5-9B saves $2325.00

Pros & Cons

o4 Mini Strengths

  • +Higher max output tokens

Qwen3.5-9B Strengths

  • +Cheaper input tokens
  • +Cheaper output tokens
  • +Larger context window (262K vs 200K)

When to Use Each Model

Choose o4 Mini for

  • Generating long-form content or detailed code

Choose Qwen3.5-9B for

  • Budget-conscious projects where cost is the primary factor
  • Long documents, large codebases, or multi-turn conversations

Frequently Asked Questions

Which is cheaper, o4 Mini or Qwen3.5-9B?
For input tokens, Qwen3.5-9B is 22.0x cheaper at $0.05/1M tokens. For output tokens, Qwen3.5-9B is 29.3x cheaper at $0.15/1M tokens. At typical usage (1M input + 300K output), o4 Mini costs $2.42 vs Qwen3.5-9B at $0.095.
What's the context window difference?
o4 Mini supports 200K context (200,000 tokens), while Qwen3.5-9B supports 262K (262,144 tokens). Qwen3.5-9B can handle 1x more context in a single request.
Which model has better benchmarks?
When should I choose o4 Mini over Qwen3.5-9B?
Choose o4 Mini when you need: Higher max output tokens. Choose Qwen3.5-9B when you need: Cheaper input tokens, Cheaper output tokens, Larger context window (262K vs 200K).
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): o4 Mini = $24.20, Qwen3.5-9B = $0.950. At 10K input + 1K output per request (longer conversations): o4 Mini = $154.00, Qwen3.5-9B = $6.50.

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