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Model comparison · Updated 10 Oct 2026

Mistral Nemo vs gpt-oss-120b

Mistral Nemo is about the same price on input ($0.03 against $0.03 per 1M tokens) and on output. Both have a 131K-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $15.75 a month for Mistral Nemo and $27.00 for gpt-oss-120b.

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ModelsAtlas. “Mistral Nemo vs gpt-oss-120b”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/mistralai/mistral-nemo/vs/openai/gpt-oss-120b

Model A

Mistral Nemo

by Mistral AI · weights not marked open · GRIDB3

Input / 1M
$0.03
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.03
Context131K
vs

Model B

gpt-oss-120b

by OpenAI · weights not marked open · GRIDB3

Input / 1M
$0.03
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.15
Context131K

Key numbers

Standard tier · highlighted = better

Mistral Nemo
gpt-oss-120b
Input / 1M tokens
$0.03
$0.03
Output / 1M tokens
$0.03
$0.15
Batch input / output
Not listed
$0.03 / $0.14
Context window
131,072
131,072
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
standard
batch, standard
Prices checked
2026-10-10
2026-10-10

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$15.75/mo
$27.00/mo
RAG over documents2k queries/day · 12k in, 500 out
$21.78/mo
$26.10/mo
Coding agent300 tasks/day · 60k in, 8k out
$17.82/mo
$27.00/mo

Mistral Nemo   gpt-oss-120b · 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)

Same square. Mistral Nemo and gpt-oss-120b share B3.

Same square as Mistral Nemo: gpt-oss-20b ($0.02), Gemma 3 12B ($0.05), Gemma 3 4B ($0.05). Open B3

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 valuegpt-oss-20b · B3Gemma 3 12B · B3Gemma 3 4B · B3Llama 3.1 8B Instruct · B3Llama 3.2 3B Instruct · B3Mistral NemoMistral Nemogpt-oss-120bgpt-oss-120b
Mistral Nemogpt-oss-120bNearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDB3<$0.10128–256KMistral Nemo, gpt-oss-120b, gpt-oss-20b, Gemma 3 12B, Gemma 3 4B, Llama 3.1 8B Instruct, Llama 3.2 3B Instruct

Capabilities side by side

Only what our records list

Mistral Nemo
gpt-oss-120b
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Supported
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 Mistral Nemo if…

  • you pay by the token: it costs $0.03 per 1M input against $0.03
  • output dominates your bill: $0.03 per 1M output against $0.15

Choose gpt-oss-120b if…

  • work can wait: it lists a batch tier and the other does not

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 Mistral Nemo better than gpt-oss-120b?
We do not benchmark quality, so we cannot say. On the recorded numbers: Mistral Nemo is about the same price on input ($0.03 against $0.03 per 1M tokens) and on output. Both have a 131K-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $15.75 a month for Mistral Nemo and $27.00 for gpt-oss-120b. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Mistral Nemo or gpt-oss-120b?
Mistral Nemo: $0.03 against $0.03 per 1M input tokens, and $0.03 against $0.15 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Mistral Nemo: $0.03 input and $0.03 output. gpt-oss-120b: $0.03 input and $0.15 output. Standard tier, USD.
Which has the larger context window?
Neither: both have 131,072 tokens.
Do both offer batch pricing?
Mistral Nemo lists no batch tier. gpt-oss-120b lists a batch tier, at 99% of its standard price.
Can both read images or audio?
Input types recorded for Mistral Nemo: none recorded. For gpt-oss-120b: 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?
Mistral Nemo: not marked open-weight in our records. gpt-oss-120b: 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 $15.75 a month for Mistral Nemo and $27.00 for gpt-oss-120b. This is our calculation from the listed prices, not a quote.

About the two models

Mistral Nemo

By Mistral AI. $0.03 input and $0.03 output per 1M tokens, 131K context, atlas square B3. Tiers listed: standard.

Full specs & pricing →

gpt-oss-120b

By OpenAI. $0.03 input and $0.15 output per 1M tokens, 131K context, atlas square B3. Tiers listed: batch, standard.

Full specs & pricing →

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Opens with this page as the source. We add nothing else to the prompt.