AI Models · Paid vs Paid

o3 Paid vs UNPareto Paid

o3 vs Pareto compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

o3PaidOpenAI
$2 /M input
$8 /M outputManaged API (no infra to run)
TypeProprietary
Context window200K tokens
MultimodalYes
Self-hostNo
UNParetoPaidUnbiased
$2.5 /M input
$7.5 /M outputManaged API (no infra to run)
TypeProprietary
Context window262K tokens
MultimodalYes
Self-hostNo
Choose Pareto for the lower output price ($7.5/M vs $8/M). It also gives you the larger 262K context window.

o3 vs Pareto specs

Speco3ParetoWinner
MakerOpenAIUnbiased–
TypeProprietaryProprietary–
Context window200K tokens262K tokensUNPareto
Input price$2/M$2.5/Mo3
Output price$8/M$7.5/MUNPareto
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)–
LicenseProprietaryProprietary–

Price gap & when to choose each

Choose o3 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
UNChoose Pareto if…
  • You want frontier performance through a managed API
  • You need the longer 262K context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

Capabilityo3Pareto
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✗✗

Benchmarks: o3 vs Pareto

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

o3
Pareto
Intelligence index
20.2
–
Math index
88.3
–
GPQA
82.7%
–
MMLU-Pro
85.3%
–
Humanity's Last Exam
20.1%
–
Long Context Reasoning
74.7%
–
LiveCodeBench
80.8%
–
MATH-500
99.2%
–
AIME
90.3%
–
AIME 2025
88.3%
–
IFBench
71.4%
–
τ²-Bench
80.7%
–
Terminal-Bench Hard
37.1%
–
Speed
128.1 tok/s
–
Latency
4.29s
–
Intelligence per $
5.8
–

Benchmark data by Artificial Analysis.

How o3 and Pareto score

🤝 Neck and neck on these criteria (3.0 vs 3.1 / 5).
Criteriono3Pareto
Cost-efficiency3.54.0
Context window4.04.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

o3 Paid

OpenAI · Proprietary

o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....

Pareto Paid

Unbiased · Proprietary

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks.

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
o3 Proo3 (batch)o3 Minio3 Mini (batch)o3 Mini High

Frequently asked questions

o3 vs Pareto — which is cheaper?

Pareto is cheaper on output ($7.5/M vs $8/M).

Which has the larger context window?

Pareto offers the larger context window (262K tokens).

o3 vs Pareto — which should I pick in 2026?

Choose Pareto for the lower output price ($7.5/M vs $8/M). It also gives you the larger 262K context window.

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