Key Takeaways
Qwen2.5 7B Instruct wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Higher intelligence benchmark
Qwen3 8B wins:
- Faster response time
- Better at coding
- Better at math
Price Advantage
Qwen2.5 7B Instruct
Benchmark Advantage
Qwen3 8B
Context Window
Qwen2.5 7B Instruct
Speed
Qwen3 8B
Pricing Comparison
Price Comparison
| Metric | Qwen2.5 7B Instruct | Qwen3 8B | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.04 | $0.05 | Qwen2.5 7B Instruct |
| Output (per 1M tokens) | $0.10 | $0.40 | Qwen2.5 7B Instruct |
| Cache Read (per 1M) | N/A | $50000.00 | Qwen3 8B |
Using a 3:1 input/output ratio, Qwen2.5 7B Instruct is 60% cheaper overall.
Qwen2.5 7B Instruct Providers
Phala $0.04 (Cheapest)
AtlasCloud $0.04 (Cheapest)
Together $0.30
Qwen3 8B Providers
AtlasCloud $0.05 (Cheapest)
Alibaba $0.12
Benchmark Comparison
8
Benchmarks Compared
1
Qwen2.5 7B Instruct Wins
2
Qwen3 8B Wins
Benchmark Scores
| Benchmark | Qwen2.5 7B Instruct | Qwen3 8B | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 35.2 | 10.6 | |
Coding Index Code generation & understanding | - | 7.1 | - |
Math Index Mathematical reasoning | - | 24.3 | - |
MMLU Pro Academic knowledge | 36.5 | 64.3 | |
GPQA Graduate-level science | 5.5 | 45.2 | |
LiveCodeBench Competitive programming | - | 20.2 | - |
AIME Competition math | - | 24.3 | - |
BBH Big-Bench Hard | 34.9 | - | - |
Qwen3 8B significantly outperforms in coding benchmarks.
Cost vs Quality
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Qwen2.5 7B Instruct
Other models
Context & Performance
Context Window
Qwen2.5 7B Instruct
32,768
tokens
Qwen3 8B
32,000
tokens
Max output: 8,192 tokens
Qwen2.5 7B Instruct has a 2% larger context window.
Speed Performance
| Metric | Qwen2.5 7B Instruct | Qwen3 8B | Winner |
|---|---|---|---|
| Tokens/second | N/A | 79.6 tok/s | |
| Time to First Token | N/A | 1.04s |
Capabilities
Feature Comparison
| Feature | Qwen2.5 7B Instruct | Qwen3 8B |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Qwen2.5 7B Instruct | Qwen3 8B |
|---|---|---|
| License | Open Source | Open Source |
| Author | Qwen | Qwen |
| Released | Oct 2024 | Apr 2025 |
Qwen2.5 7B Instruct Modalities
Input
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Output
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Qwen3 8B Modalities
Input
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Output
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