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GPT-6 Sol vs GPT-5.2

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

GPT-6 Sol Cost
$4.00
GPT-5.2 Cost
$4.55
GPT-6 Sol is 12% cheaper
FeatureGPT-6 SolGPT-5.2
ProviderOpenAIOpenAI
Input Price (1M)$2.00$1.75
Output Price (1M)$10.00$14.00
Context Window1,050,000128,000

Verdict

GPT-6 Sol costs $2.00 per 1M input tokens and $10.00 per 1M output tokens. GPT-5.2 costs $1.75 per 1M input tokens and $14.00 per 1M output tokens. GPT-5.2 is 13% cheaper on input tokens than GPT-6 Sol. For output tokens, GPT-6 Sol is the more affordable option at $10.00/1M vs $14.00.

On context window, GPT-6 Sol supports 1,050,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose GPT-6 Sol

  • ✓ Your workload is output-heavy — GPT-6 Sol generates text cheaper
  • ✓ You need a larger context window (1,050,000 tokens)
  • ✓ You are already integrated with OpenAI

When to choose GPT-5.2

  • ✓ You need the lowest input token cost ($ 1.75/1M)
  • ✓ You are already integrated with OpenAI

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is GPT-6 Sol cheaper than GPT-5.2? ▼

GPT-5.2 is cheaper on input tokens at $1.75/1M vs $2.00/1M for GPT-6 Sol — a 13% saving.

What is the context window of GPT-6 Sol vs GPT-5.2? ▼

GPT-6 Sol has a 1,050,000-token context window. GPT-5.2 has a 128,000-token context window. GPT-6 Sol supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: GPT-6 Sol or GPT-5.2? ▼

The best choice depends on your use case. For cost efficiency on input tokens, GPT-5.2 is the cheaper option. For maximum context length, GPT-6 Sol supports 1,050,000 tokens. Use the comparison table above to find the right fit for your workload.