gpt-6.1-sol vs. claude-sonnet-5-5: Two Major Flagship Models at the Same $2/$10 Price, Compared Across 5 Dimensions to Find the Better Value
On September 28, Anthropic released claude-sonnet-5-5. The very next day, OpenAI launched gpt-6.1-sol at DevDay. The new flagship workhorse models from both companies arrived back-to-back—and with exactly the same list price: $2 per million input tokens and $10 per million output tokens. Many developers’ first reaction was, “They’re both cheaper, so just pick either one.”…
