QwenQwenOpen weightsReleased Feb 24, 2026

Qwen3.5-9B pricing, benchmarks and cost analysis

Intelligence#66 / 66
139.3

Epoch Capabilities Index (ECI)range 136.1 to 140.8

Speed#23 / 28
59 tok/s

Median output tokens per second

Cost#7 / 101
$103 / mo

In $0.170Out $0.250 per 1MCache discount 90%

Context#79 / 101
262K

Context window, tokens

Ranks are among the 101 models we track (intelligence = Epoch Capabilities Index by Epoch AI, CC BY 4.0; intelligence and speed: among those with data; cost: #1 is cheapest). Monthly cost uses the default workload of 2,000 input and 500 output tokens, 10,000 requests a day, 40% cached.

Comparison summary

Qwen3.5-9B costs $103 a month for the default workload of 2,000 input and 500 output tokens, 10,000 requests a day with 40% cached input. That is 88% below the median model ($873). It ranks #7 of 101 on cost, where #1 is the cheapest.

It scores 139.3 on the Epoch Capabilities Index, #66 of 66 models with a score. The cheapest stable-priced model that scores at least as high is Qwen3.7 Flash (144.1) at $31.74 a month, 69% less.

It generates 59 tokens per second, 30% slower than the median model (84), #23 of 28. Cached input is 90% cheaper than fresh input, in line with the 90% median. The weights are open, so other hosts can serve it and prices may differ from the provider's own.

Technical specifications

Context window
262K tokens
Input price
$0.170 / 1M
Cached input price
$0.017 / 1M
Output price
$0.250 / 1M
Cache discount
90%
Batch API
Not listed
Open weights
Yes
Release date
Feb 24, 2026
Time to first token
2.00 s
Price volatility
Stable

Benchmarks

Best score for this model on each leaderboard, ranked against the other models listed there.

Your monthly bill

Standard

$103 / month
Input
$61.20
Cached input
$4.08
Output
$37.50

Batch

No batch rates are listed for this model.

Price history

  • Oct 23, 2026Input $0.080 → $0.170â–² 113%
  • Oct 23, 2026Output $0.130 → $0.250â–² 92%
  • Oct 23, 2026Cached input $0.040 → $0.017â–¼ 57%
  • Oct 21, 2026Input $0.100 → $0.080â–¼ 20%
  • Oct 21, 2026Output $0.150 → $0.130â–¼ 13%
  • Oct 21, 2026Cached input $0.010 → $0.040â–² 300%

Cheaper alternatives

Models with stable pricing and a Epoch Capabilities Index within 2 points of Qwen3.5-9B (or higher) that cost less for the default workload.