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)
Google: Gemma 3 27B
OpenAI: gpt-oss-safeguard-20b
Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$13.00
$11.63
OpenAI: gpt-oss-safeguard-20b saves $1.37
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$13.10
$12.00
OpenAI: gpt-oss-safeguard-20b saves $1.10
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)
$13.80
$12.60
OpenAI: gpt-oss-safeguard-20b saves $1.20
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$8.50
$7.80
OpenAI: gpt-oss-safeguard-20b saves $0.70
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$4.35
$4.05
OpenAI: gpt-oss-safeguard-20b saves $0.30
Capabilities side by side
Capability
Google: Gemma 3 27B
OpenAI: gpt-oss-safeguard-20b
What it lets you do
Tool / function calling
✓ Yes
✓ Yes
call your APIs and run agent loops
Structured output (JSON schema)
✓ Yes
✓ Yes
return JSON that validates against your schema
Reasoning / thinking mode
—
✓ Yes
spend extra tokens thinking before answering hard problems
Image input
✓ Yes
—
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)
✓ Yes
✓ Yes
repeat a generation for tests and evals
Log-probabilities
✓ Yes
—
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
Google: Gemma 3 27B: output price cut 22% ($0.45 → $0.35/1M) on 2026-10-18 (3 price changes since 2026-03-10).
OpenAI: gpt-oss-safeguard-20b: price unchanged since we started tracking it on 2026-03-10.
Date
Model
Input / 1M
Output / 1M
2026-10-18
Google: Gemma 3 27B
$0.08
$0.35
2026-08-06
Google: Gemma 3 27B
$0.08
$0.45
2026-03-31
Google: Gemma 3 27B
$0.08
$0.16
Which should you choose?
Choose Google: Gemma 3 27B if…
you need image input — to read screenshots, charts and scanned pages; OpenAI: gpt-oss-safeguard-20b does not advertise it
you need log-probabilities — to read token confidence for classification and scoring; OpenAI: gpt-oss-safeguard-20b does not advertise it
you generate long outputs in one go — up to 118K tokens (about 88,500 words) per response
you want to prototype at zero cost — a free variant is listed
Choose OpenAI: gpt-oss-safeguard-20b if…
cost matters at scale — it is 11% cheaper on a typical 3:1 input/output mix ($11.63 vs $13.00 a month for 50,000 support chats)
you need reasoning / thinking mode — to spend extra tokens thinking before answering hard problems; Google: Gemma 3 27B does not advertise it
you want the newer model — released 2025-10-29, 8 months after the other
Frequently asked questions
Is Google: Gemma 3 27B better than OpenAI: gpt-oss-safeguard-20b?
Neither wins outright: Google: Gemma 3 27B is the pick when you need image input, OpenAI: gpt-oss-safeguard-20b when cost matters at scale. In short: Google: Gemma 3 27B when you need image input, you need log-probabilities, you generate long outputs in one go, you want to prototype at zero cost; OpenAI: gpt-oss-safeguard-20b when cost matters at scale, you need reasoning / thinking mode, you want the newer model.
Which is cheaper, Google: Gemma 3 27B or OpenAI: gpt-oss-safeguard-20b?
OpenAI: gpt-oss-safeguard-20b is cheaper: $0.13 vs $0.15 per 1M tokens at a typical 3:1 input/output mix, 11% less. For 50,000 support conversations a month that is $11.63 against $13.00.
How much do Google: Gemma 3 27B and OpenAI: gpt-oss-safeguard-20b cost per million tokens?
Google: Gemma 3 27B costs $0.08 per 1M input tokens and $0.35 per 1M output tokens; OpenAI: gpt-oss-safeguard-20b costs $0.07 input and $0.30 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, Google: Gemma 3 27B or OpenAI: gpt-oss-safeguard-20b?
Both take 131K tokens per request — roughly 197 pages of text.
Do Google: Gemma 3 27B and OpenAI: gpt-oss-safeguard-20b support function calling and JSON output?
Can Google: Gemma 3 27B or OpenAI: gpt-oss-safeguard-20b read images?
Only Google: Gemma 3 27B accepts image input; OpenAI: gpt-oss-safeguard-20b is text-only for input.
Is Google: Gemma 3 27B or OpenAI: gpt-oss-safeguard-20b free to use?
Google: Gemma 3 27B has a free variant (google/gemma-3-27b-it:free). Free variants usually carry tighter rate limits.
What is the maximum output length of Google: Gemma 3 27B and OpenAI: gpt-oss-safeguard-20b?
Google: Gemma 3 27B can write up to 118K tokens (about 88,500 words) per response; OpenAI: gpt-oss-safeguard-20b up to 66K (about 49,200 words).
When were Google: Gemma 3 27B and OpenAI: gpt-oss-safeguard-20b released?
Google: Gemma 3 27B was listed on 2025-03-12; OpenAI: gpt-oss-safeguard-20b on 2025-10-29.
Has the price of Google: Gemma 3 27B or OpenAI: gpt-oss-safeguard-20b changed?
Google: Gemma 3 27B: output price cut 22% ($0.45 → $0.35/1M) on 2026-10-18 (3 price changes since 2026-03-10). OpenAI: gpt-oss-safeguard-20b: price unchanged since we started tracking it on 2026-03-10.
Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It handles context windows up to 128k tokens, understands over 140 languages, and offers improved math, reasoning, and chat capabilities,...
gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust...