DeepSeek: DeepSeek V3.2 Exp vs OpenAI: gpt-oss-20b (batch)

OpenAI: gpt-oss-20b (batch) comes out ahead on the data we track: 2 advantages and none for DeepSeek: DeepSeek V3.2 Exp.

Key numbers

SpecDeepSeek: DeepSeek V3.2 ExpOpenAI: gpt-oss-20b (batch)
ProviderDeepSeekOpenAI
Input price (per 1M tokens)$0.27$0.02
Output price (per 1M tokens)$0.41$0.11
Blended price (3:1 input/output)$0.30$0.05
Cheaper than … of all models we track62%87%
Context window164K tokens (~246 pages)131K tokens (~197 pages)
Larger context than … of all models36%23%
Max output per response147K tokens (~110,600 words)118K tokens (~88,500 words)
Input typestexttext
Output typestexttext
Free variantNoNo
Listed since2025-09-292025-08-05
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What it costs for real workloads

Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.

Workload (per month)DeepSeek: DeepSeek V3.2 ExpOpenAI: gpt-oss-20b (batch)Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$28.45$4.04OpenAI: gpt-oss-20b (batch) saves $24.41
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$36.50$4.00OpenAI: gpt-oss-20b (batch) saves $32.50
Coding / tool-using agent
2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens)
$37.32$4.22OpenAI: gpt-oss-20b (batch) saves $33.10
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$24.06$2.59OpenAI: gpt-oss-20b (batch) saves $21.47
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$13.91$1.31OpenAI: gpt-oss-20b (batch) saves $12.60

Capabilities side by side

CapabilityDeepSeek: DeepSeek V3.2 ExpOpenAI: gpt-oss-20b (batch)What it lets you do
Tool / function calling✓ Yes✓ Yescall your APIs and run agent loops
Structured output (JSON schema)✓ Yes✓ Yesreturn JSON that validates against your schema
Reasoning / thinking mode✓ Yes✓ Yesspend extra tokens thinking before answering hard problems
Image input——read screenshots, charts and scanned pages
Audio input——take speech or audio directly
File / PDF input——accept documents without your own parsing step
Image output——generate images, not just text
Built-in web search——answer from live web results
Seed (reproducible sampling)—✓ Yesrepeat a generation for tests and evals
Log-probabilities——read token confidence for classification and scoring

From each model's published parameters and input/output types. “—” means not advertised, not proven absent.

Price history

DateModelInput / 1MOutput / 1M
2026-09-30DeepSeek: DeepSeek V3.2 Exp$0.27$0.41
2026-09-29DeepSeek: DeepSeek V3.2 Exp$0.13$0.20
2026-09-23OpenAI: gpt-oss-20b (batch)$0.02$0.11

Which should you choose?

Choose DeepSeek: DeepSeek V3.2 Exp if…

No advantage on the data we track — pick it for provider preference or output quality on your own prompts.

Choose OpenAI: gpt-oss-20b (batch) if…

  • cost matters at scale — it is 85% cheaper on a typical 3:1 input/output mix ($4.04 vs $28.45 a month for 50,000 support chats)
  • you need seed (reproducible sampling) — to repeat a generation for tests and evals; DeepSeek: DeepSeek V3.2 Exp does not advertise it

Frequently asked questions

Is DeepSeek: DeepSeek V3.2 Exp better than OpenAI: gpt-oss-20b (batch)?

OpenAI: gpt-oss-20b (batch) comes out ahead on the data we track: 2 advantages and none for DeepSeek: DeepSeek V3.2 Exp.

Which is cheaper, DeepSeek: DeepSeek V3.2 Exp or OpenAI: gpt-oss-20b (batch)?

OpenAI: gpt-oss-20b (batch) is cheaper: $0.05 vs $0.30 per 1M tokens at a typical 3:1 input/output mix, 85% less. For 50,000 support conversations a month that is $4.04 against $28.45.

How much do DeepSeek: DeepSeek V3.2 Exp and OpenAI: gpt-oss-20b (batch) cost per million tokens?

DeepSeek: DeepSeek V3.2 Exp costs $0.27 per 1M input tokens and $0.41 per 1M output tokens; OpenAI: gpt-oss-20b (batch) costs $0.02 input and $0.11 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, DeepSeek: DeepSeek V3.2 Exp or OpenAI: gpt-oss-20b (batch)?

DeepSeek: DeepSeek V3.2 Exp: 164K tokens, about 246 pages, against 131K (about 197 pages) for OpenAI: gpt-oss-20b (batch).

Do DeepSeek: DeepSeek V3.2 Exp and OpenAI: gpt-oss-20b (batch) support function calling and JSON output?

Tool calling — DeepSeek: DeepSeek V3.2 Exp: yes, OpenAI: gpt-oss-20b (batch): yes. JSON-schema structured output — DeepSeek: DeepSeek V3.2 Exp: yes, OpenAI: gpt-oss-20b (batch): yes.

Can DeepSeek: DeepSeek V3.2 Exp or OpenAI: gpt-oss-20b (batch) read images?

Neither accepts image input — both are text-in models.

Is DeepSeek: DeepSeek V3.2 Exp or OpenAI: gpt-oss-20b (batch) free to use?

No free variant is listed for either; both are pay-per-token.

What is the maximum output length of DeepSeek: DeepSeek V3.2 Exp and OpenAI: gpt-oss-20b (batch)?

DeepSeek: DeepSeek V3.2 Exp can write up to 147K tokens (about 110,600 words) per response; OpenAI: gpt-oss-20b (batch) up to 118K (about 88,500 words).

When were DeepSeek: DeepSeek V3.2 Exp and OpenAI: gpt-oss-20b (batch) released?

DeepSeek: DeepSeek V3.2 Exp was listed on 2025-09-29; OpenAI: gpt-oss-20b (batch) on 2025-08-05.

Has the price of DeepSeek: DeepSeek V3.2 Exp or OpenAI: gpt-oss-20b (batch) changed?

DeepSeek: DeepSeek V3.2 Exp: input price raised 50% ($0.13 → $0.27/1M), output price raised 51% ($0.20 → $0.41/1M) on 2026-09-30 (2 price changes since 2026-03-10). OpenAI: gpt-oss-20b (batch): input price cut 52% ($0.05 → $0.02/1M), output price cut 44% ($0.20 → $0.11/1M) on 2026-09-23.

About the two models

Compare DeepSeek: DeepSeek V3.2 Exp with other models

Compare OpenAI: gpt-oss-20b (batch) with other models

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