AI Models · Paid vs Paid

GPT-4 Paid vs GPT-6 Sol Paid

GPT-4 vs GPT-6 Sol 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-4PaidOpenAI
$30 /M input
$60 /M outputManaged API (no infra to run)
TypeProprietary
Context window8K tokens
MultimodalNo
Self-hostNo
GPT-6 SolPaidOpenAI
$2 /M input
$10 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
Choose GPT-6 Sol for the lower output price ($10/M vs $60/M). It also gives you the larger 1.1M context window.

GPT-4 vs GPT-6 Sol specs

SpecGPT-4GPT-6 SolWinner
MakerOpenAIOpenAI–
TypeProprietaryProprietary–
Context window8K tokens1.1M tokensGPT-6 Sol
Input price$30/M$2/MGPT-6 Sol
Output price$60/M$10/MGPT-6 Sol
Vision / multimodalNoYesGPT-6 Sol
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)–
LicenseProprietaryProprietary–

Price gap & when to choose each

6.0×cheaper per output token

GPT-6 Sol is ~6.0× cheaper than GPT-4 on output tokens ($10 vs $60 per M tokens).

Choose GPT-4 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose GPT-6 Sol if…
  • You want frontier performance through a managed API
  • You need the longer 1.1M context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-4GPT-6 Sol
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✗✓
Tool / function calling✓✓
1M+ context window✗✓

Benchmarks: GPT-4 vs GPT-6 Sol

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

GPT-6 Sol delivers 60× more intelligence per dollar.
GPT-4
GPT-6 Sol
Intelligence index
6.7
47.6
Coding index
13.1
–
GPQA
34.9%
–
MMLU-Pro
56.2%
–
MATH-500
56.8%
–
IFBench
33.2%
–
Humanity's Last Exam
–
47.9%
Long Context Reasoning
–
83.7%
SciCode
–
57.6%
Speed
0 tok/s
0 tok/s
Latency
0s
0s
Intelligence per $
0.2
11.9

Benchmark data by Artificial Analysis.

How GPT-4 and GPT-6 Sol score

🏆 Best value & openness: GPT-6 Sol (3.2 vs 2.0 / 5)
CriterionGPT-4GPT-6 Sol
Cost-efficiency2.03.5
Context window2.05.0
Openness1.51.5
Self-hosting1.01.0
Multimodality3.55.0

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-4 Paid

OpenAI · Proprietary

OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...

GPT-6 Sol Paid

OpenAI · Proprietary

GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional...

Frequently asked questions

GPT-4 vs GPT-6 Sol — which is cheaper?

GPT-6 Sol is cheaper on output ($10/M vs $60/M).

Which has the larger context window?

GPT-6 Sol offers the larger context window (1.1M tokens).

GPT-4 vs GPT-6 Sol — which should I pick in 2026?

Choose GPT-6 Sol for the lower output price ($10/M vs $60/M). It also gives you the larger 1.1M context window.

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