Which is cheaper, Kimi K3 or Qwen 3 Coder?

Kimi K3 is cheaper at the input + output rate combined: $1.50 versus $2.00 per million tokens.

Which has higher quality, Kimi K3 or Qwen 3 Coder?

Qwen 3 Coder has the higher AA Intelligence Index score: 82 versus 80.

Can I switch between Kimi K3 and Qwen 3 Coder via one API?

Both Kimi K3 and Qwen 3 Coder are accessible through OpenRouter's unified gateway, which lets you switch models with one API key. Phase 2 of AIpricly will add scenario-routed automatic primary + fallback chains.

Kimi K3 vs Qwen 3 Coder

Side-by-side pricing, capabilities, real-world cost across common scenarios, and our editorial pick.

Add a modelUp to 4 models can be compared

all prices in USD per 1M tokens

Kimi K3

Moonshot · released 2026-03-15

Quality (AA Index)80

Input price$0.30

Output price$1.20

Context200K

Throughput150 tok/s

P50 latency0.8s

View full pricing

OVERALL WINNER

Qwen 3 Coder

Alibaba · released 2026-03-01

Quality (AA Index)82

Input price$0.40

Output price$1.60

Context256K

Throughput180 tok/s

P50 latency0.6s

View full pricing

Try Kimi K3 on OpenRouter Try Qwen 3 Coder on OpenRouter

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Head-to-head specs

Green column = winner per metric

Metric	Kimi K3	Qwen 3 Coder	Verdict
Input price /1M tokens	$0.30	$0.40	Kimi K3 −25%
Output price /1M tokens	$1.20	$1.60	Kimi K3 −25%
Context window max input length	200K	256K	Qwen 3 Coder +1.3×
AA Quality AA Intelligence Index (0–100)	80	82	Qwen 3 Coder +2pt
Arena Elo LMArena human-pref Elo (800–2000)	—	—	Tied
Throughput tokens per second	150	180	Qwen 3 Coder +20%
P50 latency first token	0.8s	0.6s	Qwen 3 Coder −25%
Vision multimodal	—	—	Tied
Function calling tool use			Tied
Reasoning mode chain-of-thought	—	—	Tied

Monthly cost across common scenarios

Default usage assumptions

Scenario	Kimi K3	Qwen 3 Coder
customer support 1000K req · 600/180 tok	$396	$528
chat with docs 300K req · 4000/300 tok	$468	$624
code generation 500K req · 2000/500 tok	$600	$800
voice assistant 600K req · 800/200 tok	$288	$384

Our pick

For most workloads, choose Qwen 3 Coder.

1.3× the context window — better for long documents and agents
20% faster throughput — matters for streaming UX and voice agents

Choose Kimi K3 instead if: Tradeoffs for this pair have not yet been documented. The quality difference may be small enough that workload fit, integration cost, and team familiarity decide the choice.

Why pick? Use both with smart routing

Phase 2 · gateway with fallback chain

Set Qwen 3 Coder as primary, Kimi K3 as fallback. One key, one bill, automatic failover when Qwen 3 Coder errors.

PHASE 2 PREVIEW · gateway not live yetThis endpoint does not exist yet. The gateway is in Phase 2 — what you see below is a design preview of the planned interface, not a live API. We will email subscribers when it launches.

Preview the planned API call

$ curl https://api.aipricly.com/v1/chat/completions \
  -H "Authorization: Bearer $AIPC_KEY" \
  -d '{
    "routing": {
      "primary": "alibaba/qwen-3-coder",
      "fallback": ["moonshot/kimi-k3"]
    },
    "messages": [{"role": "user", "content": "..."}]
  }'