GPT-5.6 Terra vs Qwen3.8 Flash: Specs & Benchmark Comparison
| Characteristic | GPT-5.6 Terra | Qwen3.8 Flash |
|---|---|---|
| Company | OpenAI | Alibaba |
| Release Date | July 9, 2026 | August 26, 2026 |
| Parameters | — | 125B |
| Multimodal | Yes | Yes |
| Context (input) | 1.1M | 1.0M |
| Context (output) | 128K | 131K |
| Input Price / 1M | $2.00 | $0.15 |
| Output Price / 1M | $12.00 | $0.47 |
| Average Score | 0.6 | 0.7 |
| Benchmarks | ||
| OSWorld 2.0 | 0.5 | 0.2 |
| Toolathlon | 0.5 | 0.7 |
| DeepSWE 1.1 | 0.7 | 0.6 |
| GPQA | 0.9 | 0.9 |
| SWE-Bench Pro | 0.6 | 0.6 |
| Agents' Last Exam | 0.5 | 0.5 |
Visual Benchmark Comparison
GPT-5.6 Terra
Qwen3.8 Flash
OSWorld 2.00.5 vs 0.2
0.5
0.2
Toolathlon0.5 vs 0.7
0.5
0.7
DeepSWE 1.10.7 vs 0.6
0.7
0.6
GPQA0.9 vs 0.9
0.9
0.9
SWE-Bench Pro0.6 vs 0.6
0.6
0.6
Agents' Last Exam0.5 vs 0.5
0.5
0.5
Verdict
Qwen3.8 Flash leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.6 Terra — 0.6, Qwen3.8 Flash — 0.7.
API Cost
Qwen3.8 Flash is 22.6x cheaper: input $0.15/1M vs $2.00/1M tokens.
Context Window
GPT-5.6 Terra supports a larger context: 1M vs 1M tokens.
Recency
Qwen3.8 Flash is newer: released 8/26/2026 vs 7/9/2026.
More About These Models
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Frequently Asked Questions
Which is better for coding — GPT-5.6 Terra or Qwen3.8 Flash?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.6 Terra or Qwen3.8 Flash?
Qwen3.8 Flash is cheaper for input: $0.15 per 1M tokens vs $2.00.
Which has a larger context window — GPT-5.6 Terra or Qwen3.8 Flash?
GPT-5.6 Terra supports a larger context: 1,050,000 tokens vs 1,048,576.
The GPT-5.6 Terra and Qwen3.8 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.6 Terra or Qwen3.8 Flash page. See also the complete list of AI model comparisons.