AI Token Price
AnthropicOpenAI

Pricing compared · verified 27 Sep 2026

Claude Sonnet 5 vs GPT-6 Sol

Price your workload on bothChange the comparison

Claude Sonnet 5 costs $2.00 / $10.00 and GPT-6 Sol costs $2.00 / $10.00 per million input / output tokens. At a typical 3:1 mix, Claude Sonnet 5 is about the same price.

Input
$2.00
per 1M
Output
$10.00
per 1M
Cached
$0.20
1M context

GPT-6 Sol

OpenAI
Input
$2.00
per 1M
Output
$10.00
per 1M
Cached
$0.20
1.05M context

Side by side

Green marks the cheaper price, larger context window, bigger discount or higher score.

Claude Sonnet 5GPT-6 Sol
Input per 1M$2.00$2.00
Output per 1M$10.00$10.00
Blended per 1M (3:1)$4.00$4.00
Cached input per 1M$0.20$0.20
Batch or off-peak discount50% (batch)50% (batch)
Long promptsSame rate at any lengthOver 272K: 2× in, 1.5× out
Context window1M1.05M
Released30 Jun 202622 Sep 2026
Open weightsNoNo
Verified27 Sep 202627 Sep 2026

Sources: Anthropic pricing and OpenAI pricing.

Monthly cost on three workloads

List prices, no batch discount. The cached share applies where a model has a cache rate.

WorkloadClaude Sonnet 5GPT-6 SolDifference
Customer chat assistant50,000 conversations a month, about 2,000 tokens in and 400 out each; 50% cached$310$310$0.00
Document Q&A (RAG)20,000 questions a month over retrieved documents, 12,000 in and 600 out; 30% cached$470$470$0.00
Coding agent400 tasks a month, 40 steps each with a growing context; 85% cached$433$433$0.00

How they differ

  • GPT-6 Sol accepts longer prompts (1.05M vs 1M tokens).

Price your own workload on both

Recent changes

All changes
  • OpenAI
    OpenAI launched GPT-6 Sol at $2 / $10 and GPT-6 Luna at $0.10 / $0.50.
  • OpenAI
    OpenAI launched GPT-6 Astra at $10 / $50, its most expensive standard model.
  • Anthropic
    ▼ 33%Anthropic launched Claude Sonnet 5 at $2 / $10, cheaper than Sonnet 4.6's $3 / $15.
  • Anthropic
    Anthropic retired Claude Opus 4 and Claude Sonnet 4.

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