High-volume, cost-sensitive work
Choose Qwen3.8 2.4T A95B
Qwen3.8 2.4T A95B costs 13% less on a typical mix of three input tokens for every output token ($3.00 against $3.44 per million tokens).
GPT-5.1 vs Qwen3.8 2.4T A95B: price, context and capabilities
Choose GPT-5.1 for reused prompts and documents (RAG, agents) and images as input. Choose Qwen3.8 2.4T A95B for high-volume, cost-sensitive work, writing and code generation, very long inputs and the latest release.
In short
- Qwen3.8 2.4T A95B is 13% cheaper than GPT-5.1 at the headline price ($3.00 / 1M tokens vs $3.44 / 1M tokens).
- Qwen3.8 2.4T A95B reads more per request: 1.05M tokens against 400k.
- Qwen3.8 2.4T A95B is the newer model (Aug 12, 2026, against Nov 13, 2025).
- Only GPT-5.1 offers vision, batch api.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Writing and code generation
Choose Qwen3.8 2.4T A95B
Qwen3.8 2.4T A95B charges $6.00 per million output tokens, against $10.00 for GPT-5.1. Output dominates the bill when answers are long.
Reused prompts and documents (RAG, agents)
Choose GPT-5.1
GPT-5.1 charges $0.13 per million cached input tokens, against $0.25 for Qwen3.8 2.4T A95B.
Very long inputs
Choose Qwen3.8 2.4T A95B
Qwen3.8 2.4T A95B reads up to 1.05M tokens per request, against 400k for GPT-5.1.
Images as input
Choose GPT-5.1
GPT-5.1 accepts images as input; Qwen3.8 2.4T A95B does not.
Latest release
Choose Qwen3.8 2.4T A95B
Qwen3.8 2.4T A95B is the newer release (Aug 12, 2026, against Nov 13, 2025 for GPT-5.1).
Monthly cost at three volumes
| Volume | GPT-5.1 | Qwen3.8 2.4T A95B | Difference |
|---|---|---|---|
| Prototype: 1M input, 250K output tokens | $3.75 | $3.50 | Qwen3.8 2.4T A95B, $0.25 less |
| Production: 20M input, 5M output tokens | $75.00 | $70.00 | Qwen3.8 2.4T A95B, $5.00 less |
| Scale: 500M input, 100M output tokens | $1,625 | $1,600 | Qwen3.8 2.4T A95B, $25.00 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| GPT-5.1 | Qwen3.8 2.4T A95B | |
|---|---|---|
| Provider | OpenAI | Alibaba Cloud (Qwen) |
| Category | Language models | Language models |
| Status | Deprecated | Generally available |
| Headline price | $3.44 / 1M tokens | $3.00 / 1M tokens |
| Input | $1.25 / 1M tokens | $2.00 / 1M tokens |
| Output | $10.00 / 1M tokens | $6.00 / 1M tokens |
| Cached input | $0.125 / 1M tokens | $0.25 / 1M tokens |
| Context window | 400k | 1.05M |
| Max output | 128k | 909k |
| Released | Nov 13, 2025 | Aug 12, 2026 |
| Knowledge cutoff | September 2024 | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API | Reasoning, Tool calling, Structured output, Prompt caching |
| API model id | gpt-5.1 | qwen3.8-2.4t-a95b |
Benchmarks side by side
Leader in bold.
| Benchmark | GPT-5.1 | Qwen3.8 2.4T A95B |
|---|---|---|
| Terminal-Bench Hard | 45.5% | No data |
| GPQA Diamond | 87.3% | No data |
| Humanity's Last Exam | 28.5% | No data |
| IFBench (instruction following) | 72.9% | No data |
| τ²-Bench (agentic tool use) | 81.9% | No data |
| MMMU-Pro (visual reasoning) | 75.5% | No data |
| Long-context reasoning (AA-LCR) | 80% | No data |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose GPT-5.1 or Qwen3.8 2.4T A95B?
Choose GPT-5.1 for reused prompts and documents (RAG, agents) and images as input. Choose Qwen3.8 2.4T A95B for high-volume, cost-sensitive work, writing and code generation, very long inputs and the latest release.
Which is cheaper, GPT-5.1 or Qwen3.8 2.4T A95B?
Qwen3.8 2.4T A95B is 13% cheaper than GPT-5.1 at the headline price ($3.00 / 1M tokens vs $3.44 / 1M tokens).
Which has the larger context window, GPT-5.1 or Qwen3.8 2.4T A95B?
Qwen3.8 2.4T A95B reads more per request: 1.05M tokens against 400k.
What is the difference between GPT-5.1 and Qwen3.8 2.4T A95B?
GPT-5.1 is made by OpenAI and Qwen3.8 2.4T A95B by Alibaba Cloud (Qwen). Qwen3.8 2.4T A95B is 13% cheaper than GPT-5.1 at the headline price ($3.00 / 1M tokens vs $3.44 / 1M tokens). Qwen3.8 2.4T A95B reads more per request: 1.05M tokens against 400k. Qwen3.8 2.4T A95B is the newer model (Aug 12, 2026, against Nov 13, 2025). Only GPT-5.1 offers vision, batch api.
How much do GPT-5.1 and Qwen3.8 2.4T A95B cost per month?
At 20 million input and 5 million output tokens a month, GPT-5.1 costs $75.00 and Qwen3.8 2.4T A95B costs $70.00, at standard rates.
Which is newer, GPT-5.1 or Qwen3.8 2.4T A95B?
Qwen3.8 2.4T A95B was released on Aug 12, 2026 and GPT-5.1 on Nov 13, 2025.