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Put models side by side on price, context, capabilities, and benchmarks.
Claude Sonnet 5 is Anthropic's most capable Sonnet-tier model, bringing near-Opus intelligence to coding, agentic workflows, and professional knowledge work at Sonnet-level cost. It is a strict improvement over Sonnet 4.6 across the cost-performance curve and serves as the default model for Anthropic's Free and Pro plans.
Document analysis#14Image understanding#27Mathematical#30Software & IT Services#31
AuthorAnthropic
Country🇺🇸 United States
ReleasedJun 30, 2026
Overview
Cost rate
2x
Context
1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$2.00
Cached input$0.20
Output$10.00
Context
Context length1,000,000
Max output tokens128,000
Knowledge cutoff-
Performance
Throughput63 tok/s
Latency10.51s
GPT-5.6 Terra is the balanced, everyday tier of OpenAI's GPT-5.6 family, offering coding, reasoning, and agentic performance competitive with GPT-5.5 at roughly half the cost.
Document analysis#10Mathematical#24Legal & Government#29Image understanding#30
AuthorOpenAI
Country🇺🇸 United States
ReleasedJul 9, 2026
Overview
Cost rate
2x
Context
1.1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$2.00
Cached input$0.20
Output$12.00
Context
Context length1,050,000
Max output tokens128,000
Knowledge cutoff2026-02-16
Performance
Throughput96 tok/s
Latency1.73s
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.
Intelligence
62.5
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)62.1Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)59.5
