Noometry

Model comparison

GPT-6 Astra vs Qwen3 8B

GPT-6 Astra is the stronger model overall, scoring 70.3 to 33.3 on the Noometry Index. Qwen3 8B costs 65× less per token, which makes it the better buy when GPT-6 Astra's lead doesn't matter for your workload.

Last verified . 9 shared benchmarks.

GPT-6 Astra OpenAI

70.3

Rank #1 Confirmed

Qwen3 8B Alibaba (Qwen)

33.3

Rank #237 Confirmed

Summary

  • They share 9 benchmarks with published results for both. GPT-6 Astra scores higher in 6 categories and Qwen3 8B in 0 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-6 Astra leads 85.1 to 16.1.
  • The biggest single-benchmark swing is Chess Puzzles: 72% for GPT-6 Astra and 5% for Qwen3 8B.
  • Qwen3 8B is cheaper at $0.18 / $0.70 per million input/output tokens, against $10 / $50 for GPT-6 Astra.
  • GPT-6 Astra accepts more context: 1.05M tokens versus 131K.
  • Qwen3 8B has downloadable open weights; the other is API-only.

Side by side

GPT-6 AstraQwen3 8B
ProviderOpenAIAlibaba (Qwen)
Noometry Index70.333.3
Released2026-09-032025-04
WeightsProprietaryOpen
Context window1.05M131K
Max output128K8K
Input $ / M tokens$10$0.18
Output $ / M tokens$50$0.70
Results tracked5111

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Category by category

Coding GPT-6 Astra leads

GPT-6 Astra: 70.5 (#3), Qwen3 8B: 33.4 (#245)

BenchmarkGPT-6 AstraQwen3 8B
SciCode56.5%22.6%
DeepSWE74.1%—
FrontierCode53.3%—
LMArena WebDev1792—
FrontierSWE65.5%—
WeirdML93.6%—
LMArena Coding1488—
MirrorCode46.7%—
ALE-Bench2,951—

Agentic & Tool Use GPT-6 Astra leads

GPT-6 Astra: 52.3 (#3), Qwen3 8B: 29.9 (#71)

BenchmarkGPT-6 AstraQwen3 8B
APEX-Agents64.7%—
Berkeley Function Calling Leaderboard—42.6%
Remote Labor Index20.8%—
BALROG68.3%—
Vending-Bench 215,515—

Reasoning GPT-6 Astra leads

GPT-6 Astra: 85.1 (#1), Qwen3 8B: 16.1 (#299)

BenchmarkGPT-6 AstraQwen3 8B
CritPt31.7%0%
Chess Puzzles72%5%
DTBench97.3%59.7%
LMCA64.4%8.8%
Epoch Capabilities Index166.6136.17
ARC-AGI-295%—
NYT Connections (extended)98.1%—
ARC-AGI-198.5%—
EBR-Bench76.2%—
LMArena Hard Prompts1464—
Mystery Game Puzzles84%—
Bench to the Future 30.14—

Math GPT-6 Astra leads

GPT-6 Astra: 93.4 (#1), Qwen3 8B: 33.3 (#176)

BenchmarkGPT-6 AstraQwen3 8B
OTIS Mock AIME 2024-2025100%56.1%
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 497.6%—
ProofBench99%—
LMArena Math1463—
FrontierMath Erdős2.9%—

Knowledge GPT-6 Astra leads

GPT-6 Astra: 75.3 (#1), Qwen3 8B: 36.1 (#164)

BenchmarkGPT-6 AstraQwen3 8B
GPQA Diamond95.8%56.8%
Vectara Hallucination Rate8.7%4.8%
Humanity's Last Exam54.8%—
SimpleQA Verified75.6%—
LMArena Expert1486—

Multimodal Not comparable

GPT-6 Astra: 55.1 (#3), Qwen3 8B: —

BenchmarkGPT-6 AstraQwen3 8B
LMArena Vision1280—
Blueprint-Bench 249.7%—
Furniture Assembly80%—
LMArena Document1468—

Multilingual Not comparable

GPT-6 Astra: 54.0 (#53), Qwen3 8B: —

BenchmarkGPT-6 AstraQwen3 8B
LMArena Non-English1431—
LMArena Chinese1495—
LMArena French1467—
LMArena Russian1434—
LMArena Spanish1412—

Instruction Following Not comparable

GPT-6 Astra: 76.6 (#37), Qwen3 8B: —

BenchmarkGPT-6 AstraQwen3 8B
LMArena Instruction Following1454—

Long Context GPT-6 Astra leads

GPT-6 Astra: 44.7 (#57), Qwen3 8B: 37.8 (#205)

BenchmarkGPT-6 AstraQwen3 8B
Fiction.LiveBench—62.1%
LMArena Longer Query1460—

Writing & Preference Not comparable

GPT-6 Astra: 75.7 (#7), Qwen3 8B: —

BenchmarkGPT-6 AstraQwen3 8B
LMArena Text1443—
LMArena Creative Writing1423—
EQ-Bench Creative Writing2173—
LMArena Multi-Turn1457—

Frequently asked questions

Is GPT-6 Astra better than Qwen3 8B?

GPT-6 Astra is the stronger model overall, scoring 70.3 to 33.3 on the Noometry Index. Qwen3 8B costs 65× less per token, which makes it the better buy when GPT-6 Astra's lead doesn't matter for your workload.

Which is cheaper, GPT-6 Astra or Qwen3 8B?

Qwen3 8B is cheaper. It lists at $0.18 per million input tokens and $0.70 per million output tokens; GPT-6 Astra lists at $10 and $50.

Is GPT-6 Astra or Qwen3 8B better for coding?

GPT-6 Astra scores higher on coding benchmarks: 70.5 versus 33.4 in the Noometry coding category.

Which has the bigger context window?

GPT-6 Astra does, with 1.05M tokens against 131K.

How many benchmarks do GPT-6 Astra and Qwen3 8B share?

9 benchmarks have published results for both models. GPT-6 Astra has 51 scored results on Noometry and Qwen3 8B has 11.

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