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Grok-3 Mini vs Qwen3.8 Flash

Qwen3.8 Flash leads the LLM Stats Score 49.6 to 31.7. Qwen3.8 Flash is 1.5x cheaper per token.

xAI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Qwen3.8 Flash leads the overall LLM Stats Score 49.6 to 31.7, ranking #16 overall.

In the 1 individual benchmarks reported for both models, Qwen3.8 Flash wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Qwen3.8 Flash is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Qwen3.8 Flash also accepts a larger context window (1,000,000 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 Grok-3 Mini

  • you want predictable pricing at $0.30/M input and $0.50/M output

Choose Qwen3.8 Flash

  • overall performance matters — it scores 49.6 and ranks #16 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 1.5x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Core performance indexes
31.7
#98
49.6
#16
31.3
#98
49.2
#16
18.9
#98
36.6
#20
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.30 / M
$0.15 / M
Output price
$0.50 / M
$0.47 / M
Context window
128,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Grok-3 Mini
Qwen3.8 Flash
28.5#85
32.6#55
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

4 reported for Grok-3 Mini · 22 for Qwen3.8 Flash

1 shared

Grok-3 Mini outperforms in 0 benchmarks, while Qwen3.8 Flash is better at 1 benchmark (GPQA).

Qwen3.8 Flash significantly outperforms across most benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Qwen3.8 Flash costs less

For input processing, Grok-3 Mini ($0.30/1M tokens) is 2.0x more expensive than Qwen3.8 Flash ($0.15/1M tokens).

For output processing, Grok-3 Mini ($0.50/1M tokens) is 1.1x more expensive than Qwen3.8 Flash ($0.47/1M tokens).

In conclusion, Grok-3 Mini is more expensive than Qwen3.8 Flash.*

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

Lowest available price from all providers
Mon Aug 31 2026 • llm-stats.com
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Alibaba Cloud / Qwen Team
Qwen3.8 Flash
Input tokens$0.15
Output tokens$0.47
Best providerNovita
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Qwen3.8 Flash accepts 1,000,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Qwen3.8 Flash can generate longer responses up to 131,072 tokens, while Grok-3 Mini is limited to 8,000 tokens.

xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.8 Flash
Input1,000,000 tokens
Output131,072 tokens
Mon Aug 31 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-3 Mini and Qwen3.8 Flash support multimodal inputs.

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

Grok-3 Mini

Text
Images
Audio
Video

Qwen3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Grok-3 Mini

Proprietary

Closed source

Qwen3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Grok-3 Mini was released on 2025-02-17, while Qwen3.8 Flash was released on 2026-08-26.

Qwen3.8 Flash is 19 months newer than Grok-3 Mini.

Grok-3 Mini

Feb 17, 2025

1.5 years ago

Qwen3.8 Flash

Aug 26, 2026

4 days ago

1.5yr newer

Knowledge Cutoff

When training data ends

Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while Qwen3.8 Flash's cutoff date is not specified.

We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without Qwen3.8 Flash's cutoff date.

Grok-3 Mini

Nov 2024

Qwen3.8 Flash

Provider Availability

Grok-3 Mini is available from xAI. Qwen3.8 Flash is available from Novita.

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M

Qwen3.8 Flash

novita logo
Novita
Input Price:Input: $0.15/1MOutput Price:Output: $0.47/1M
* 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 Grok-3 Mini and Qwen3.8 Flash side-by-side, then vote on the output you prefer.

Grok-3 Mini
✓ Preferred
Qwen3.8 Flash
Open in Playground

FAQ

Common questions about Grok-3 Mini vs Qwen3.8 Flash.

Which is better, Grok-3 Mini or Qwen3.8 Flash?

Qwen3.8 Flash leads the LLM Stats Score 49.6 to 31.7. Grok-3 Mini is made by xAI and Qwen3.8 Flash 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 Grok-3 Mini compare to Qwen3.8 Flash in benchmarks?

Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%. Qwen3.8 Flash scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

Is Grok-3 Mini cheaper than Qwen3.8 Flash?

Qwen3.8 Flash is 2.0x cheaper for input tokens. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai. Qwen3.8 Flash costs $0.15/M input and $0.47/M output via novita.

What are the context window sizes for Grok-3 Mini and Qwen3.8 Flash?

Grok-3 Mini supports 128K tokens and Qwen3.8 Flash supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-3 Mini and Qwen3.8 Flash?

Key differences include LLM Stats Score (31.7 vs 49.6), context window (128K vs 1.0M), input pricing ($0.30 vs $0.15/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-3 Mini and Qwen3.8 Flash?

Grok-3 Mini is developed by xAI and Qwen3.8 Flash is developed by Alibaba Cloud / Qwen Team.