The Known Good Updated 24 Oct 2026 Subscribe
o1-mini vs OpenAI: gpt-oss-120b ·OpenAI vs OpenAI

o1-mini vs OpenAI: gpt-oss-120b — head-to-head comparison

o1-mini profile OpenAI: gpt-oss-120b profile All comparisons
o1-mini — OpenAI
Quality
#39 of 65
64based on 4 of 7 evaluations
Known Good Index
Speed
unranked
—
Output tokens per second
Price
unranked
—
Blended per 1M tokens
Cache hit price
unranked
—
per 1M tokens
Context
unranked
—
tokens
OpenAI: gpt-oss-120b — OpenAI
Quality
#44 of 65
61based on 3 of 7 evaluations
Known Good Index
Speed
#26 of 353
172.0
Output tokens per second
Price
#131 of 525
$0.26
Blended per 1M tokens
In $0.15 · Out $0.60
Cache hit price
#196 of 412
$0.075
per 1M tokens (−50%)
Context
#462 of 574
131k
tokens (~200 pages)
Summary

On the Known Good Index, o1-mini scores 64 and OpenAI: gpt-oss-120b scores 61 — a 3-point lead for o1-mini. They share 2 published evaluations, with o1-mini ahead on 0 and OpenAI: gpt-oss-120b ahead on 2.

Published pricing is tracked for OpenAI: gpt-oss-120b only, at $0.26 per 1M tokens blended.

o1-mini is proprietary; OpenAI: gpt-oss-120b is open weights under Open weights (unrestricted). 22 tracked hosts serve one or both.

Generated from tracked data on 24 Oct 2026 · how these comparisons are computed →

At a glance
Metrico1-miniOpenAI: gpt-oss-120b
Known Good Index 64 based on 4 of 7 evaluations 61 based on 3 of 7 evaluations
Blended $/1M — $0.26
Output tok/s — 172
Context window — 131k
Providers 0 22
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Quality

Known Good Index and the capability indices, side by side

Index scores

Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.

Metrico1-miniOpenAI: gpt-oss-120b
Known Good Index 64 61
Mathematics Index 69 —
Reasoning Index 66 —
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = o1-mini · marker = OpenAI: gpt-oss-120b · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond62 / 76
Mock AIME 2024–2547 / 89

Right-hand figures read o1-mini / OpenAI: gpt-oss-120b. o1-mini leads on 0 of 2, OpenAI: gpt-oss-120b on 2.

The Known Good

Arena Elo

Human preference rating from blind pairwise votes

Arena ratings

Elo from blind pairwise votes, ingested from Arena. Higher is better.

Metrico1-miniOpenAI: gpt-oss-120b
Text Arena 1,317 1,366
Text Arena (style controlled) 1,337 1,352
The Known Good

Price & Cost

Published API pricing by token type

Published pricing

USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.

Metrico1-miniOpenAI: gpt-oss-120b
Input $/1M — $0.15
Output $/1M — $0.60
Blended $/1M — $0.26
Cache read $/1M — $0.075
The Known Good
We publish blended price rather than cost-per-task. Cost-per-task requires token counts from an evaluation suite we do not run. Blended price is computed from published rates and is fully reproducible — see the pricing methodology.

Context Window

Maximum input accepted and maximum output emitted

Context and output limits

Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.

Metrico1-miniOpenAI: gpt-oss-120b
Context window — 131k
Max output tokens — 66k
The Known Good

Speed & Latency

Mean throughput and time to first token across hosting providers, over successful measurements from the last 48 hours

Throughput and latency

Means across all tracked providers over successful measurements from the last 48 hours, derived from OpenRouter endpoint telemetry.

Metrico1-miniOpenAI: gpt-oss-120b
Output tokens/s — 172
Time to first token — 0.7s
The Known Good

Providers

Which hosts serve each model, and at what price and speed

22 hosts
Full provider benchmarks →
Provider o1-mini blendedo1-mini tok/s OpenAI: gpt-oss-120b blendedOpenAI: gpt-oss-120b tok/s
Cerebras — — $0.45 643
SambaNova — — $0.34 400
Groq — — $0.26 374
Crusoe — — $0.10 275
Parasail — — $0.26 243
Amazon Bedrock · first party — — $0.26 214
Nebius — — $0.26 206
Novita — — $0.10 196
BaseTen — — $0.20 180
Phala — — $0.26 156
AkashML — — $0.07 149
Mancer 2 — — $0.10 128
Together — — $0.26 125
Mara — — $0.30 112
DekaLLM — — $0.07 98
CoreWeave — — $0.07 89
SiliconFlow — — $0.26 80
Google · first party — — $0.16 75
DeepInfra — — $0.07 67
DigitalOcean — — $0.15 59
Near AI — — $0.06 53
Venice — — $0.06 34

Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.

The Known Good
Sources for this page
Pricing & providers — OpenRouter Metadata — models.dev Benchmarks — Epoch AI (CC-BY 4.0)Elo — Arena Full attribution →