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We moved our multilingual support bot to the Qwen3 235B A22B Instruct 2507 API and the 256K context meant we stopped chunking long chat histories overnight.
Qwen3 235B A22B Instruct 2507 is a Mixture-of-Experts LLM from Alibaba Qwen with 235B total and 22B active parameters, a 256K context, and strong reasoning, coding, and multilingual skills. Served on RouterBase over an OpenAI-compatible endpoint at $0.077 / 1M input and $0.493 / 1M output, 15% below list.
Input
Qwen3 235B A22B Instruct 2507
Hi! I'm a helpful AI assistant. What can I do for you?
Qwen3 235B A22B Instruct 2507 API - 235B MoE, 22B Active, 256K Context
The Qwen3 235B A22B Instruct 2507 API runs a 235B MoE with 22B active parameters, 256K context, and direct instruct-tuned answers.
The Qwen3 235B A22B Instruct 2507 API serves Alibaba Qwen3 235B A22B Instruct 2507, a Mixture-of-Experts model with 235 billion total parameters and about 22 billion active per token, so you get flagship quality at small-model cost. The 2507 instruct refresh answers directly, with no thinking blocks to strip, tuned for sharper instruction following, reasoning, coding, and math, and a 256K token context window fits long files, transcripts, and tool traces in one call.
You reach the Qwen3 235B A22B Instruct 2507 API through RouterBase over the OpenAI chat-completions protocol, so any existing client works unchanged and one key covers the whole catalog. Billing is $0.077 per 1M input tokens and $0.493 per 1M output tokens, 15% below the list rate of $0.09 in and $0.58 out, per token with no request fee. Streaming and standard-schema tool calls make the Qwen3 235B A22B Instruct 2507 API easy to wire into agent loops, IDE assistants, and batch pipelines.
What the Qwen3 235B A22B Instruct 2507 API gives you
Flagship quality with 22B active at a time.
235B MoE, 22B active
The Qwen3 235B A22B Instruct 2507 API routes each token through a small set of experts, so 235B total parameters deliver flagship quality at the serving cost of a 22B model.
256K context
A 256K token window lets the model hold long files, transcripts, and tool traces in a single call, so you rarely have to chunk inputs to the Qwen3 235B A22B Instruct 2507 API.
Direct answers
The 2507 instruct refresh responds without thinking blocks, so the Qwen3 235B A22B Instruct 2507 API returns clean answers you can render or parse immediately.
Multilingual at scale
Trained across 100+ languages, the Qwen3 235B A22B Instruct 2507 API handles multilingual chat, translation, and support alongside strong coding and math.
Tools and JSON
The Qwen3 235B A22B Instruct 2507 API returns function calls and structured JSON in the standard OpenAI schema, ready for agents and data pipelines.
Streaming, per token
The Qwen3 235B A22B Instruct 2507 API streams tokens as they generate and bills per token at $0.077 in and $0.493 out, 15% below list, with no request fee.
Get going
First call to the Qwen3 235B A22B Instruct 2507 API in three steps
Wire it once, then stream.
Create a key
One RouterBase key reaches the Qwen3 235B A22B Instruct 2507 API and every other model in the catalog, so there is nothing provider-specific to set up.
Point your client
Send any OpenAI client to routerbase.com/v1 with model=qwen/qwen3-235b-a22b-instruct-2507 and a messages array; the Qwen3 235B A22B Instruct 2507 API answers on the same chat-completions shape.
Stream and watch usage
The model streams tokens as they generate and returns token usage per response, so cost and latency stay visible on every call to the Qwen3 235B A22B Instruct 2507 API.
Pay only for what you use
RouterBase passes through partner-tier pricing. Compared against the model's official published API rate.
Pay only for what you use
RouterBase passes through partner-tier pricing. Compared against the model's official published API rate.
| Resolution | RouterBase | Official | Save |
|---|---|---|---|
| Input (per 1M) | $0.077 | −14% | |
| Output (per 1M) | $0.493 | −15% |
One run at the default settings (Input (per 1M)) costs $0.077.With $1 you can run this model approximately 12 times.
Official price = Alibaba Qwen list rate for Qwen3 235B A22B Instruct 2507 ($0.09 per 1M input, $0.58 per 1M output). RouterBase serves the Qwen3 235B A22B Instruct 2507 API at $0.077 / $0.493, 15% below list.
Teams building on the Qwen3 235B A22B Instruct 2507 API
Flagship reasoning and multilingual chat behind one call.
Expert routing did not hurt consistency for us - the Qwen3 235B A22B Instruct 2507 API holds steady quality on every ticket at a fraction of flagship cost.
Function calling in the standard schema meant our agent stack ran on the Qwen3 235B A22B Instruct 2507 API with zero custom parsing on day one.
At $0.077 in and $0.493 out the Qwen3 235B A22B Instruct 2507 API kept our per-token cost flat as traffic climbed through the quarter.
Streaming from the Qwen3 235B A22B Instruct 2507 API is smooth, so our chat UI renders token by token without any extra buffering work.
We push code review and JSON extraction to the Qwen3 235B A22B Instruct 2507 API and the structured output comes back clean every time.
The 256K window let the Qwen3 235B A22B Instruct 2507 API read an entire service file plus its tests in one pass, which sped up our reviews.
Switching from another provider to the Qwen3 235B A22B Instruct 2507 API was one string change - the OpenAI shape did not move at all.
Direct answers with no thinking blocks made the Qwen3 235B A22B Instruct 2507 API easy to pipe straight into our rendering layer.
Qwen3 235B A22B Instruct 2507 API - common questions
What to know before you route traffic to it.
The Qwen3 235B A22B Instruct 2507 API is RouterBase hosted access to Alibaba Qwen3 235B A22B Instruct 2507, a Mixture-of-Experts LLM with 235B total and 22B active parameters, over an OpenAI-compatible endpoint.