Qwen: Qwen3.5-9B

Qwen: Qwen3.5-9B is a large language model from Qwen. It costs $0.100 per million input tokens and $0.150 per million output tokens. Its context window is 262K tokens.

ReasoningTool callingStructured outputBatch tierOpen weightsimage inputvideo input

Input / 1M tokens: $0.100
Output / 1M tokens: $0.150
Cached input / 1M: -
Context window: 262K

Who serves it cheapest

6 hosts serve Qwen3.5-9B. Same weights, same API - the price difference is pure margin and routing.

Providers serving Qwen: Qwen3.5-9B, cheapest first
Provider	Input / 1M	Output / 1M	Context	Throughput	Uptime 24h
DarkbloomCheapestfp4	$0.080	$0.130	262K	-	99.9%
SiliconFlowfp8	$0.100	$0.150	262K	-	97.4%
DeepInfrabf16	$0.100	$0.150	262K	-	98.0%
Venicefp8	$0.100	$0.150	256K	-	99.5%
Parasailbf16	$0.100	$0.250	262K	-	86.9%
Together	$0.170	$0.250	262K	-	99.4%

The spread between Darkbloom and Together is 2.1× for identical weights. Quantization and context limits differ, so check both columns before switching.

Benchmarks

Independent scores published alongside the catalogue.

Coding index: 28.7

About Qwen3.5-9B

Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...

Specifications

Qwen: Qwen3.5-9B specifications
Model ID	`qwen/qwen3.5-9b`
Provider	Qwen
Context window	262K tokens
Max output	236K tokens
Input modalities	text, image, video
Output modalities	text
Knowledge cutoff	-
Open weights	Yes - Qwen/Qwen3.5-9B
Released	March 10, 2026

Cheaper alternatives

Models that cost less than Qwen3.5-9B while keeping at least half its context window and every input modality it supports.

Ling 3.0 Flash VL

$0.060 in · $0.180 out

1.3× cheaper

Qwen3.7 Flash

$0.030 in · $0.130 out

2.0× cheaper

Nemotron 3 Nano Omni (free)

Free in · Free out

Auto Router (Beta)

$-1000000.0000 in · $-1000000.0000 out

about the same cheaper

Auto Router

$-1000000.0000 in · $-1000000.0000 out

about the same cheaper

Frequently asked

How much does Qwen: Qwen3.5-9B cost?

$0.100 per million input tokens and $0.150 per million output tokens.

What is the context window of Qwen: Qwen3.5-9B?

262K tokens, with up to 236K tokens of output per request.

Which provider serves Qwen: Qwen3.5-9B cheapest?

Darkbloom at $0.080 per million input tokens - 2.1× cheaper than Together, the most expensive of the 6 hosts serving it.

Confirm against the source: Qwen official pricing.