Key Takeaways
GPT-5.4 wins:
- Larger context window
- Higher intelligence benchmark
- Better at coding
Qwen3.5-27B wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
Price Advantage
Qwen3.5-27B
Benchmark Advantage
GPT-5.4
Context Window
GPT-5.4
Speed
Qwen3.5-27B
Pricing Comparison
Price Comparison
| Metric | GPT-5.4 | Qwen3.5-27B | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $2.50 | $0.20 | Qwen3.5-27B |
| Output (per 1M tokens) | $15.00 | $1.56 | Qwen3.5-27B |
| Cache Read (per 1M) | $0.25 | $0.27 | GPT-5.4 |
Using a 3:1 input/output ratio, Qwen3.5-27B is 90% cheaper overall.
GPT-5.4 Providers
No provider data available
Qwen3.5-27B Providers
No provider data available
Benchmark Comparison
3
Benchmarks Compared
3
GPT-5.4 Wins
0
Qwen3.5-27B Wins
Benchmark Scores
| Benchmark | GPT-5.4 | Qwen3.5-27B | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 57.0 | 37.2 | |
Coding Index Code generation & understanding | 57.3 | 33.4 | |
GPQA Graduate-level science | 92.0 | 84.2 |
GPT-5.4 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Other models
Context & Performance
Context Window
GPT-5.4
1,050,000
tokens
Qwen3.5-27B
262,144
tokens
GPT-5.4 has a 75% larger context window.
Speed Performance
| Metric | GPT-5.4 | Qwen3.5-27B | Winner |
|---|---|---|---|
| Tokens/second | 84.0 tok/s | 92.1 tok/s | |
| Time to First Token | 165.19s | 1.32s |
Capabilities
Feature Comparison
| Feature | GPT-5.4 | Qwen3.5-27B |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5.4 | Qwen3.5-27B |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Qwen |
| Released | Mar 2026 | Feb 2026 |
GPT-5.4 Modalities
Input
textimagefile
Output
text
Qwen3.5-27B Modalities
Input
textimagevideo
Output
text