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GPT-6 Astra vs Qwen3.5-397B-A17B

GPT-6 Astra leads the LLM Stats Score 60.7 to 38.9. Qwen3.5-397B-A17B is 14.8x cheaper per token.

OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.7 to 38.9, ranking #1 overall.

In the 2 individual benchmarks reported for both models, GPT-6 Astra wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Qwen3.5-397B-A17B is roughly 14.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Astra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-6 Astra

  • overall performance matters — it scores 60.7 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Qwen3.5-397B-A17B

  • cost matters — it's about 14.8x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
60.7
#1
38.9
#60
58.7
#1
38.8
#57
49.0
#1
22.9
#73
46.4
#1
19.7
#56
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$10.00 / M
$0.60 / M
Output price
$50.00 / M
$3.60 / M
Context window
1,050,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
GPT-6 Astra
Qwen3.5-397B-A17B
35.3#42
36.6#35
41.5#1
18.2#78
36.6#1
17.1#74
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for GPT-6 Astra · 38 for Qwen3.5-397B-A17B

2 shared

GPT-6 Astra outperforms in 2 benchmarks (BrowseComp, GPQA), while Qwen3.5-397B-A17B is better at 0 benchmarks.

GPT-6 Astra significantly outperforms across most benchmarks.

Mon Sep 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Qwen3.5-397B-A17B costs less

For input processing, GPT-6 Astra ($10.00/1M tokens) is 16.7x more expensive than Qwen3.5-397B-A17B ($0.60/1M tokens).

For output processing, GPT-6 Astra ($50.00/1M tokens) is 13.9x more expensive than Qwen3.5-397B-A17B ($3.60/1M tokens).

In conclusion, GPT-6 Astra is more expensive than Qwen3.5-397B-A17B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Sep 07 2026 • llm-stats.com
OpenAI
GPT-6 Astra
Input tokens$10.00
Output tokens$50.00
Best providerOpenAI
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input tokens$0.60
Output tokens$3.60
Best providerNovita
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-6 Astra accepts 1,050,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. GPT-6 Astra can generate longer responses up to 128,000 tokens, while Qwen3.5-397B-A17B is limited to 64,000 tokens.

OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output64,000 tokens
Mon Sep 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Astra and Qwen3.5-397B-A17B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-6 Astra

Text
Images
Audio
Video

Qwen3.5-397B-A17B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Astra is licensed under a proprietary license, while Qwen3.5-397B-A17B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-6 Astra

Proprietary

Closed source

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-6 Astra was released on 2026-09-04, while Qwen3.5-397B-A17B was released on 2026-02-16.

GPT-6 Astra is 7 months newer than Qwen3.5-397B-A17B.

GPT-6 Astra

Sep 4, 2026

2 days ago

6mo newer
Qwen3.5-397B-A17B

Feb 16, 2026

6 months ago

Knowledge Cutoff

When training data ends

GPT-6 Astra has a documented knowledge cutoff of 2026-04-30, while Qwen3.5-397B-A17B's cutoff date is not specified.

We can confirm GPT-6 Astra's training data extends to 2026-04-30, but cannot make a direct comparison without Qwen3.5-397B-A17B's cutoff date.

GPT-6 Astra

Apr 2026

Qwen3.5-397B-A17B

Provider Availability

GPT-6 Astra is available from OpenAI. Qwen3.5-397B-A17B is available from Novita.

GPT-6 Astra

openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

Qwen3.5-397B-A17B

novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $3.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GPT-6 Astra and Qwen3.5-397B-A17B side-by-side, then vote on the output you prefer.

GPT-6 Astra
✓ Preferred
Qwen3.5-397B-A17B
Open in Playground

FAQ

Common questions about GPT-6 Astra vs Qwen3.5-397B-A17B.

Which is better, GPT-6 Astra or Qwen3.5-397B-A17B?

GPT-6 Astra leads the LLM Stats Score 60.7 to 38.9. GPT-6 Astra is made by OpenAI and Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-6 Astra compare to Qwen3.5-397B-A17B in benchmarks?

GPT-6 Astra scores ExploitBench: 100.0%, ARC-AGI-3: 99.9%, ARC-AGI: 98.5%, FrontierMath Tier 4 (v2): 97.6%, GPQA: 96.0%. Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%.

Is GPT-6 Astra cheaper than Qwen3.5-397B-A17B?

Qwen3.5-397B-A17B is 16.7x cheaper for input tokens. GPT-6 Astra costs $10.00/M input and $50.00/M output via openai. Qwen3.5-397B-A17B costs $0.60/M input and $3.60/M output via novita.

What are the context window sizes for GPT-6 Astra and Qwen3.5-397B-A17B?

GPT-6 Astra supports 1.1M tokens and Qwen3.5-397B-A17B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Astra and Qwen3.5-397B-A17B?

Key differences include LLM Stats Score (60.7 vs 38.9), context window (1.1M vs 262K), input pricing ($10.00 vs $0.60/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and Qwen3.5-397B-A17B?

GPT-6 Astra is developed by OpenAI and Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team.