Models

GPT 5.1 Chat vs Qwen3.8 Max Preview

Compare GPT 5.1 Chat from OpenAI and Qwen3.8 Max Preview from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

OpenAIGPT 5.1 ChatQwenQwen3.8 Max Preview
OpenAI logo
GPT 5.1 Chat
OpenAI · text, image → text

GPT-5.1 Chat refers to the GPT-5.1 snapshot currently used in ChatGPT and is optimized for conversational use cases. While GPT-5.1 is recommended for most API applications, GPT-5.1 Chat is ideal for testing the latest improvements in chat-based interactions.

Input$1.25 /M
Output$10.00 /M
Qwen logo
Qwen3.8 Max Preview
Qwen · text, image → text

Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.

Input$0.34 /M
Output$1.01 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

GPT 5.1 Chat
Qwen3.8 Max Preview
Input /M
$1.25
$0.34
Output /M
$10.00
$1.01
Cache read /M
$0.13
$0.03
Context length
128,000
983,616
Max output
16,384
131,072
Time to First Token
0.9 s
2.4 s
Throughput
107.0 tok/s
48.1 tok/s
Modalities
textimage
textimage
Supported Parameters
function callingstructured outputs
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
-
-

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

gpt-5.1-chat-latestqwen3.8-max-preview

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

gpt-5.1-chat-latestqwen3.8-max-preview

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
gpt-5.1-chat-latestqwen3.8-max-preview
1380144015001560
Overall
14391481
Coding
14741520
Math
14241504
Hard prompts
14551506
Instruction following
14281478
Multi-turn
14481496
Creative writing
14101469
Longer query
14441497
Chinese
14781545
English
14421486
Vision
gpt-5.1-chat-latestqwen3.8-max-preview
1220126013001340
Overall
12371302
OCR
12511317
Diagram
12641331
Homework
12531335
WebDev Arena
gpt-5.1-chat-latestqwen3.8-max-preview
12801400152016401760
Overall
13401669
React
13061678
HTML
13601628
Gaming
13541733
Simulations
13061665
Data analytics
13511614

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

Qwen3.8 Max Preview
$35.49 /mo
GPT 5.1 Chat
$225 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: GPT 5.1 Chat, Qwen3.8 Max Preview?

Qwen3.8 Max Preview: $1.01/M output tokens; GPT 5.1 Chat: $10.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Qwen3.8 Max Preview: 1520; GPT 5.1 Chat: 1474 (LMArena coding leaderboard).

Which responds faster?

GPT 5.1 Chat: 0.9s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

GPT 5.1 Chat accepts 128,000 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 16,384 tokens on GPT 5.1 Chat and 131,072 tokens on Qwen3.8 Max Preview.

Which one generates tokens faster?

GPT 5.1 Chat at 107.0 tok/s and Qwen3.8 Max Preview at 48.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

GPT 5.1 Chat accepts text and image input and supports function calling and structured outputs; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.

Can I call GPT 5.1 Chat and Qwen3.8 Max Preview with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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