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Model comparison · Updated 10 Oct 2026

GPT-5.5 vs Qwen3.8 Max Prime

Qwen3.8 Max Prime is about 1.3× cheaper on input ($4.00 against $5.00 per 1M tokens) and on output. GPT-5.5 has the larger context window (1.05M against 1M tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $4,950 a month for GPT-5.5 and $2,880 for Qwen3.8 Max Prime.

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ModelsAtlas. “GPT-5.5 vs Qwen3.8 Max Prime”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/openai/gpt-5-5/vs/qwen/3-8-max-prime

Model A

GPT-5.5

by OpenAI · weights not marked open · GRIDF6

Input / 1M
$5.00
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$30.00
Context1.05M
vs

Model B

Qwen3.8 Max Prime

by Qwen (Alibaba) · weights not marked open · GRIDF5

Input / 1M
$4.00
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$12.00
Context1M

Key numbers

Standard tier · highlighted = better

GPT-5.5
Qwen3.8 Max Prime
Input / 1M tokens
$5.00
$4.00
Output / 1M tokens
$30.00
$12.00
Batch input / output
$2.50 / $15.00
Not listed
Context window
1,050,000
1,000,000
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
batch, standard
standard
Prices checked
2026-08-17
2026-10-10

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$4,950/mo
$2,880/mo
RAG over documents2k queries/day · 12k in, 500 out
$4,500/mo
$3,240/mo
Coding agent300 tasks/day · 60k in, 8k out
$4,860/mo
$3,024/mo

GPT-5.5   Qwen3.8 Max Prime · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

1 square apart. Qwen3.8 Max Prime (F5) sits 1 context band smaller than GPT-5.5 (F6).

Same square as Qwen3.8 Max Prime: Claude Sonnet 4.5 ($3.00), Claude Sonnet 4.6 ($3.00), Claude Opus 5.5 ($4.00). Open F6 · Open F5

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueClaude Opus 4.6 · F5Claude Opus 4.7 · F5Claude Opus 4.8 · F5Claude Opus 5 · F5Claude Opus 5.5 · F5Claude Sonnet 4.5 · F5GPT-5.5GPT-5.5Qwen3.8 Max PrimeQwen3.8 Max Prime
GPT-5.5Qwen3.8 Max PrimeNearest neighboursOpen weights
View the map as a table (2 squares)
SquarePrice bandContext bandModels
GRIDF5$3–101MQwen3.8 Max Prime, Claude Opus 4.6, Claude Opus 4.7, Claude Opus 4.8, Claude Opus 5, Claude Opus 5.5, Claude Sonnet 4.5
GRIDF6$3–10>1MGPT-5.5

Capabilities side by side

Only what our records list

GPT-5.5
Qwen3.8 Max Prime
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Supported
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose GPT-5.5 if…

  • your prompts are long: it takes 1,050,000 tokens against 1,000,000
  • work can wait: it lists a batch tier and the other does not

Choose Qwen3.8 Max Prime if…

  • you pay by the token: it costs $4.00 per 1M input against $5.00
  • output dominates your bill: $12.00 per 1M output against $30.00

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is GPT-5.5 better than Qwen3.8 Max Prime?
We do not benchmark quality, so we cannot say. On the recorded numbers: Qwen3.8 Max Prime is about 1.3× cheaper on input ($4.00 against $5.00 per 1M tokens) and on output. GPT-5.5 has the larger context window (1.05M against 1M tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $4,950 a month for GPT-5.5 and $2,880 for Qwen3.8 Max Prime. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, GPT-5.5 or Qwen3.8 Max Prime?
Qwen3.8 Max Prime: $4.00 against $5.00 per 1M input tokens, and $12.00 against $30.00 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
GPT-5.5: $5.00 input and $30.00 output. Qwen3.8 Max Prime: $4.00 input and $12.00 output. Standard tier, USD.
Which has the larger context window?
GPT-5.5, with 1,050,000 tokens. Qwen3.8 Max Prime has 1,000,000 tokens.
Do both offer batch pricing?
GPT-5.5 lists a batch tier, at 50% of its standard price. Qwen3.8 Max Prime lists no batch tier.
Can both read images or audio?
Input types recorded for GPT-5.5: none recorded. For Qwen3.8 Max Prime: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
GPT-5.5: not marked open-weight in our records. Qwen3.8 Max Prime: not marked open-weight in our records.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $4,950 a month for GPT-5.5 and $2,880 for Qwen3.8 Max Prime. This is our calculation from the listed prices, not a quote.

About the two models

GPT-5.5

By OpenAI. $5.00 input and $30.00 output per 1M tokens, 1.05M context, atlas square F6. Tiers listed: batch, standard.

Full specs & pricing →

Qwen3.8 Max Prime

By Qwen (Alibaba). $4.00 input and $12.00 output per 1M tokens, 1M context, atlas square F5. Tiers listed: standard.

Full specs & pricing →

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