AI Models · Paid vs Paid

o3 Paid vs GPT Chat Latest Paid

o3 vs GPT Chat Latest 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
GPT Chat LatestPaidOpenAI
$5 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window400K tokens
MultimodalYes
Self-hostNo
Choose o3 for the lower output price ($8/M vs $30/M). Choose GPT Chat Latest if you need the larger 400K context window.

o3 vs GPT Chat Latest specs

Speco3GPT Chat LatestWinner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window200K tokens400K tokensGPT Chat Latest
Input price$2/M$5/Mo3
Output price$8/M$30/Mo3
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

3.8×cheaper per output token

o3 is ~3.8× cheaper than GPT Chat Latest on output tokens ($8 vs $30 per M tokens).

Choose o3 if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose GPT Chat Latest if…
  • You want frontier performance through a managed API
  • You need the longer 400K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

Capabilityo3GPT Chat Latest
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: o3 vs GPT Chat Latest

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

o3
GPT Chat Latest
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
114.5 tok/s
Latency
6.58s
Intelligence per $
5.8

Benchmark data by Artificial Analysis.

How o3 and GPT Chat Latest score

🤝 Neck and neck on these criteria (3.0 vs 3.0 / 5).
Criteriono3GPT Chat Latest
Cost-efficiency3.53.0
Context window4.04.5
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....

GPT Chat Latest Paid

OpenAI · Proprietary

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...

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 GPT Chat Latest — which is cheaper?

o3 is cheaper on output ($8/M vs $30/M).

Which has the larger context window?

GPT Chat Latest offers the larger context window (400K tokens).

o3 vs GPT Chat Latest — which should I pick in 2026?

Choose o3 for the lower output price ($8/M vs $30/M). Choose GPT Chat Latest if you need the larger 400K context window.

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