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Claude Sonnet 5 launched on June 30, 2026 at $2/$10, a price Anthropic made permanent on August 10, cancelling the September 1 rise to $3/$15. Its new tokenizer counts about 30% more tokens. The cost math and fixes.
Manu Shukla 
Three budget-tier models now sit far below the flagships: Gemini 3.5 Flash-Lite at $0.30/$2.50, GPT-5.6 Luna at $1/$6, and Claude Sonnet 5 at $2/$10 per million tokens. A worked cost comparison for high-volume
Manu Shukla 
Google cut the Gemini Flash output rate from $9.00 to $7.50 per million tokens and made the model emit 17% fewer of them. Stack that against GPT-5.6 Luna at $1/$6 and Claude Sonnet 5's tokenizer change, and
Manu Shukla 
Anthropic shipped Claude Sonnet 5 on 30 June 2026; OpenAI made GPT-5.6 generally available on 9 July 2026. Here is how they compare on price, agentic benchmarks, availability and governance.
Manu Shukla 