Compare/Qwen3 Coder 30B A3B Instruct vs Kimi K2

Qwen3 Coder 30B A3B InstructvsKimi K2

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Alibaba

Qwen3 Coder 30B A3B Instruct

Input
$0.45/M
Output
$2.25/M
Speed
91 tok/s
TTFT
2.54s
Kimi

Kimi K2

Input
$0.57/M
Output
$2.3/M
Speed
41 tok/s
TTFT
1.22s

Winner by Category

Cheaper
Qwen3 Coder 30B A3B Instruct
Faster (tok/s)
Qwen3 Coder 30B A3B Instruct
Lower Latency
Kimi K2
Benchmarks (0-1)
Kimi K2

Pricing Comparison

MetricQwen3 Coder 30B A3B InstructKimi K2
Input ($/M tokens)$0.45$0.57
Output ($/M tokens)$2.25$2.3
Cost for 1M input + 100K output tokens:
Qwen3 Coder 30B A3B Instruct$0.68
Kimi K2$0.80

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3 Coder 30B A3B Instruct
91 tok/s
Kimi K2
41 tok/s
Time to First Token (seconds) — lower is better
Qwen3 Coder 30B A3B Instruct
2.54s
Kimi K2
1.22s

Editorial Analysis

Verdict. Kimi K2 takes the aggregate benchmark matchup 1–0 across 1 categories. Real workloads usually care about a handful of specific tasks — see the per-benchmark table above.

Pricing. Both models sit in the budget bracket for output-token pricing. At 1.0× the per-million-token cost, Qwen3 Coder 30B A3B Instruct is meaningfully cheaper if your traffic is output-heavy (long completions, document generation, agent loops). Qwen3 Coder 30B A3B Instruct makes more sense when output volume is low and absolute reasoning quality justifies the premium.

Strengths. Qwen3 Coder 30B A3B Instruct is strongest on Intelligence Index (13.6). Kimi K2 leads on Intelligence Index (19.7).

Speed. On throughput, Qwen3 Coder 30B A3B Instruct generates tokens at 91 tok/s versus 41 tok/s — about 55% faster. On time-to-first-token, Kimi K2 responds in 1220ms vs 2540ms, which matters most for chat-style UIs.

Provider. Alibaba and Kimi sell to overlapping but distinct developer audiences: Alibaba tends to ship frontier reasoning models with premium positioning, while Kimi often prices more aggressively. Your existing vendor relationships, billing, and SLA preferences may matter as much as the raw numbers above.

Workload cost. Workload scenarios (per million requests at 30M input + 15M output tokens): Qwen3 Coder 30B A3B Instruct costs $47.25 ($567/year); Kimi K2 costs $51.60 ($619/year). At a smaller 5M-input/2M-output scale (single-developer tool or prototype): Qwen3 Coder 30B A3B Instruct ≈ $6.75/run, Kimi K2 ≈ $7.45/run. At agent/realtime scale (200M input / 100M output per million requests): Qwen3 Coder 30B A3B Instruct ≈ $315/run, Kimi K2 ≈ $344/run. Qwen3 Coder 30B A3B Instruct becomes more attractive at higher volume — the absolute per-token pricing difference compounds when you ship at scale.

Recommendation. Both models have legitimate use cases — the right answer depends on whether you are optimizing for benchmark ceiling, latency, or unit cost. Start with the cheaper / faster model, evaluate against your specific task, and only switch if the upgrade shows a meaningful lift.

Head-to-head deltas

  • On throughput, Qwen3 Coder 30B A3B Instruct is 2.22× faster (91 tok/s vs 41 tok/s). For streaming chat or real-time agents this alone often flips the recommendation.

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
13.619.7
Coding Index
Math Index
GPQA Diamond
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
SciCode
IFBench
TerminalBench
Qwen3 Coder 30B A3B Instruct0 wins
1 winsKimi K2

Frequently Asked Questions

Which is cheaper, Qwen3 Coder 30B A3B Instruct or Kimi K2?

Qwen3 Coder 30B A3B Instruct is cheaper overall. Its blended price (3:1 input/output ratio) is $0.90/M tokens vs $1.00/M for Kimi K2.

Which model performs better on benchmarks?

Kimi K2 wins 1 out of 12 benchmarks compared to 0 for Qwen3 Coder 30B A3B Instruct. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Qwen3 Coder 30B A3B Instruct generates tokens faster at 91 tok/s vs 41 tok/s. However, Kimi K2 has lower time-to-first-token (1.22s vs 2.54s).

When should I use Qwen3 Coder 30B A3B Instruct vs Kimi K2?

Choose based on your priorities: Qwen3 Coder 30B A3B Instruct for lower cost, Kimi K2 for stronger benchmark performance, and Qwen3 Coder 30B A3B Instruct for faster generation. For latency-sensitive apps, check the TTFT comparison above.