Compare / Qwen3-14B vs Qwen3-8B

Qwen3-14B vs Qwen3-8B

Which is cheaper, which is more capable, and which does better at each kind of work, from 25 results on 4 sources that measured both models.

AlibabaQwen3-14B Released 28 Apr 2025 · $0.12 in · $0.24 out
AlibabaQwen3-8B Released 28 Apr 2025 · $0.12 in · $0.46 out
Qwen3-14B wins 153 too close to callQwen3-8B wins 7

Of the 25 results both models have, the better value on each. Results whose reported ranges overlap are too close to call.

Results as of 9 October 2026 (catalogue release 2026-10-09-dd620e778ac5).

Qwen3-14B or Qwen3-8B? The short answer

They score about the same, so pick Qwen3-14B: it costs 26% less per token.

  • Qwen3-14B is cheaper: $0.15 against $0.20 per million tokens, 26% less.
  • They score about the same on the Artificial Analysis Intelligence Index (8.2 and 7.3).
  • On third-party benchmarks, on the results both models have: Qwen3-14B does better for agents and tool use, reasoning and knowledge and writing; Qwen3-8B for sticking to the facts.

Head to head

8.2
Intelligence Index
7.3
$0.15
Price per million tokens, blendedlower is better
$0.20
131,072
Context window, tokens
131,072

Every fact side by side

Qwen3-14BQwen3-8B
Price per million tokens$0.12 in · $0.24 out$0.12 in · $0.46 out
Blended (3 in : 1 out)$0.15$0.20
Cheapest host, blended$0.13 (NextBit, INT4)–
Intelligence Index8.27.3
Spring Prompt overall––
Output speed, tokens a second––
Context window131,072 tokens131,072 tokens
Released28 Apr 202528 Apr 2025
WeightsOpenOpen
Developer based inChinaChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among the models on sale today, for each kind of work, from our own benchmarks and licensed sources. Further right is better; the better rank is in green.

Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 122 of 164 128 of 164
Reasoning and knowledgeHard questions across science, maths and general knowledge 162 of 198 169 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 130 of 188 159 of 188
Sticking to the factsSummarising without inventing things, and factual answers 15 of 152 6 of 152

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. Under each measure, every model that benchmark has measured is a grey tick, best to the right, so you can see where the two sit in the field. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureQwen3-14BQwen3-8B
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 194 · 211 of 243 measured 8.2thinking reasoning 7.3thinking reasoning
GPQA Diamond% of questions, higher is better 181 · 183 of 231 measured 60.4%thinking reasoning 58.9%thinking reasoning
Humanity's Last Exam% of questions, higher is better 202 · 220 of 242 measured 4.5%thinking reasoning 3.9%thinking reasoning
Berkeley Function Calling Leaderboard (BFCL) V4 reported by Berkeley Function Calling Leaderboard (BFCL) V4 · 3 results
Overall accuracy · BFCL% correct, higher is better 34 · 30 of 81 measured 41.0%bfcl fc 42.6%bfcl fc
Irrelevance detection · BFCL% correct, higher is better 20 · 38 of 81 measured 87.2%bfcl prompt 82.3%bfcl prompt
Memory · BFCL% correct, higher is better 33 · 40 of 81 measured 19.6%bfcl fc 14.6%bfcl fc
UGI Leaderboard reported by UGI Leaderboard · 3 results
Writing score · UGIscore out of 100, higher is better 128 · 162 of 230 measured 34.8no reasoning 28.0no reasoning
Requested-length error · UGI% off the requested word count, lower is better 111 · 83 of 230 measured 20.0%no reasoning 17.0%no reasoning
Style adherence · UGIscore from 0 to 1, higher is better 49 · 60 of 230 measured 0.37no reasoning 0.36no reasoning
Vectara Hallucination Leaderboard reported by Vectara Hallucination Leaderboard · 2 results
Hallucination rate · Vectara% of summaries, lower is better 17 · 9 of 104 measured 5.4% 4.8%
Answer rate · Vectara% of documents, higher is better 17 · 17 of 104 measured 99.9% 99.9%
Show all 25 results (14 more)
MeasureQwen3-14BQwen3-8B
Artificial Analysis reported by Artificial Analysis · 9 results
Terminal-Bench 2.1% of tasks, higher is better 112 · 122 of 130 measured 4.9%thinking reasoning 2.2%thinking reasoning
Terminal-Bench 4.0% of tasks, higher is better 66 · 66 of 112 measured 0.0%thinking reasoning 0.0%thinking reasoning
τ-bench banking% of tasks, higher is better 100 · 109 of 121 measured 5.6%thinking reasoning 4.7%thinking reasoning
Artificial Analysis Coding Indexindex score, higher is better 115 · 123 of 131 measured 13.8thinking reasoning 9.0thinking reasoning
IFBench% of instructions, higher is better 132 · 165 of 195 measured 40.5%thinking reasoning 33.5%thinking reasoning
Long-context reasoning (AA-LCR)% of questions, higher is better 222 · 222 of 233 measured 0.0%no reasoning 0.0%no reasoning
SciCode% of problems, higher is better 100 · 104 of 113 measured 30.7%thinking reasoning 27.9%thinking reasoning
Terminal-Bench Hard% of tasks, higher is better 153 · 173 of 190 measured 5.3%no reasoning 2.3%no reasoning
τ²-bench telecom% of tasks, higher is better 123 · 142 of 193 measured 34.5%thinking reasoning 27.8%thinking reasoning
Berkeley Function Calling Leaderboard (BFCL) V4 reported by Berkeley Function Calling Leaderboard (BFCL) V4 · 5 results
Multi-turn tasks · BFCL% correct, higher is better 31 · 23 of 81 measured 34.8%bfcl fc 41.8%bfcl fc
Relevance detection · BFCL% correct, higher is better 26 · 8 of 81 measured 87.5%bfcl fc 93.8%bfcl fc
Single-turn calls (curated) · BFCL% correct, higher is better 7 · 14 of 81 measured 89.5%bfcl prompt 88.6%bfcl prompt
Single-turn calls (user-contributed) · BFCL% correct, higher is better 10 · 9 of 81 measured 80.0%bfcl fc 80.5%bfcl fc
Web search · BFCL% correct, higher is better 37 · 35 of 81 measured 10.5%bfcl prompt 13.5%bfcl prompt

Quick answers

Is Qwen3-14B better than Qwen3-8B?

They score about the same, so pick Qwen3-14B: it costs 26% less per token.

Which is cheaper, Qwen3-14B or Qwen3-8B?

Qwen3-14B is cheaper: $0.15 against $0.20 per million tokens, 26% less.

Which is better for agents and tool use, Qwen3-14B or Qwen3-8B?

Qwen3-14B ranks 122 of 164 models on sale for multi-step tasks with tools: support desks, coding agents, function calls, against 128 for Qwen3-8B.

Which is better for reasoning and knowledge, Qwen3-14B or Qwen3-8B?

Qwen3-14B ranks 162 of 198 models on sale for hard questions across science, maths and general knowledge, against 169 for Qwen3-8B.

Which is better for writing, Qwen3-14B or Qwen3-8B?

Qwen3-14B ranks 130 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 159 for Qwen3-8B.

Which is better for sticking to the facts, Qwen3-14B or Qwen3-8B?

Qwen3-8B ranks 6 of 152 models on sale for summarising without inventing things, and factual answers, against 15 for Qwen3-14B.

Run Qwen3-14B and Qwen3-8B on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.