AI Models · Paid vs Paid

GPT Chat Latest Paid vs Grok 4.6 Paid

GPT Chat Latest vs Grok 4.6 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.

GPT Chat LatestPaidOpenAI
$5 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window400K tokens
MultimodalYes
Self-hostNo
Grok 4.6PaidxAI
$2 /M input
$6 /M outputManaged API (no infra to run)
TypeProprietary
Context window500K tokens
MultimodalYes
Self-hostNo
Choose Grok 4.6 for the lower output price ($6/M vs $30/M). It also gives you the larger 500K context window.

GPT Chat Latest vs Grok 4.6 specs

SpecGPT Chat LatestGrok 4.6Winner
MakerOpenAIxAI
TypeProprietaryProprietary
Context window400K tokens500K tokensGrok 4.6
Input price$5/M$2/MGrok 4.6
Output price$30/M$6/MGrok 4.6
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

5.0×cheaper per output token

Grok 4.6 is ~5.0× cheaper than GPT Chat Latest on output tokens ($6 vs $30 per M tokens).

Choose GPT Chat Latest if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose Grok 4.6 if…
  • You want frontier performance through a managed API
  • You need the longer 500K context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT Chat LatestGrok 4.6
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT Chat Latest vs Grok 4.6

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

GPT Chat Latest
Grok 4.6
Intelligence index
44.4
Coding index
76.8
GPQA
94.9%
Humanity's Last Exam
42.9%
Long Context Reasoning
80.3%
SciCode
56.5%
τ-Bench Banking
50.7%
Terminal-Bench
88.4%
Speed
71.4 tok/s
Latency
38.01s
Intelligence per $
14.8

Benchmark data by Artificial Analysis.

How GPT Chat Latest and Grok 4.6 score

🤝 Neck and neck on these criteria (3.0 vs 3.2 / 5).
CriterionGPT Chat LatestGrok 4.6
Cost-efficiency3.04.0
Context window4.54.5
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

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...

Grok 4.6 Paid

xAI · Proprietary

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Other models in these families

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

Other variants tracked
Grok 4.5Grok 4.20Grok 4.3Grok 4.3 (batch)Grok 4.20 Multi-AgentGrok Build 0.1

Frequently asked questions

GPT Chat Latest vs Grok 4.6 — which is cheaper?

Grok 4.6 is cheaper on output ($6/M vs $30/M).

Which has the larger context window?

Grok 4.6 offers the larger context window (500K tokens).

GPT Chat Latest vs Grok 4.6 — which should I pick in 2026?

Choose Grok 4.6 for the lower output price ($6/M vs $30/M). It also gives you the larger 500K context window.

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