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Claude 3 Opus vs Qwen3.8 Flash

Qwen3.8 Flash leads the LLM Stats Score 49.6 to 10.1. Qwen3.8 Flash is 130.4x cheaper per token.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Qwen3.8 Flash leads the overall LLM Stats Score 49.6 to 10.1, 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 130.4x 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 Claude 3 Opus

  • you want predictable pricing at $15.00/M input and $75.00/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 130.4x 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.

Claude 3 Opus
Anthropic
Qwen3.8 Flash
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
10.1
#251
49.6
#16
Reasoning
10.0
#245
49.2
#16
Coding
5.2
#191
36.6
#20
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$15.00 / M
$0.15 / M
Output price
$75.00 / M
$0.47 / M
Context window
200,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Opus
Qwen3.8 Flash
Math
16.4#197
32.6#55
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3 Opus · 22 for Qwen3.8 Flash

1 shared

Claude 3 Opus 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, Claude 3 Opus ($15.00/1M tokens) is 100.0x more expensive than Qwen3.8 Flash ($0.15/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) is 159.6x more expensive than Qwen3.8 Flash ($0.47/1M tokens).

In conclusion, Claude 3 Opus 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
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
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 Claude 3 Opus's 200,000 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while Qwen3.8 Flash is limited to 131,072 tokens.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 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 Claude 3 Opus and Qwen3.8 Flash support multimodal inputs.

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

Claude 3 Opus

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.

Claude 3 Opus

Proprietary

Closed source

Qwen3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Qwen3.8 Flash was released on 2026-08-26.

Qwen3.8 Flash is 30 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.5 years ago

Qwen3.8 Flash

Aug 26, 2026

4 days ago

2.5yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3 Opus is available from Anthropic, Bedrock, Google. Qwen3.8 Flash is available from Novita.

Claude 3 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

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 Claude 3 Opus and Qwen3.8 Flash side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
Qwen3.8 Flash
Open in Playground

FAQ

Common questions about Claude 3 Opus vs Qwen3.8 Flash.

Which is better, Claude 3 Opus or Qwen3.8 Flash?

Qwen3.8 Flash leads the LLM Stats Score 49.6 to 10.1. Claude 3 Opus is made by Anthropic 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 Claude 3 Opus compare to Qwen3.8 Flash in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Qwen3.8 Flash scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

Is Claude 3 Opus cheaper than Qwen3.8 Flash?

Qwen3.8 Flash is 100.0x cheaper for input tokens. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic. Qwen3.8 Flash costs $0.15/M input and $0.47/M output via novita.

What are the context window sizes for Claude 3 Opus and Qwen3.8 Flash?

Claude 3 Opus supports 200K 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 Claude 3 Opus and Qwen3.8 Flash?

Key differences include LLM Stats Score (10.1 vs 49.6), context window (200K vs 1.0M), input pricing ($15.00 vs $0.15/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and Qwen3.8 Flash?

Claude 3 Opus is developed by Anthropic and Qwen3.8 Flash is developed by Alibaba Cloud / Qwen Team.

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