Claude Sonnet 5
Claude Sonnet 5, developed by Anthropic, is a mid-tier AI model that surpasses Sonnet 4.6 on all benchmarks and edges past Opus 4.8 on GDPval-AA v2, delivering strong agentic capabilities at low cost with reduced hallucination and sycophancy.
Signal Radar
Five-axis snapshot of this entity's footprint
Mentions × Lab Attention
Weekly mentions (solid) and average article relevance (dotted)
Timeline
2- Product LaunchJun 30, 2026
Anthropic released Claude Sonnet 5, beating Opus 4.8 on GDPval-AA v2
View source - Product LaunchJun 30, 2026
Anthropic released Claude Sonnet 5 with a new tokenizer causing a 30% effective price increase.
View source- input price:
- $3/million tokens (discount to $2 until August 31)
- output price:
- $15/million tokens (discount to $10 until August 31)
Relationships
4Uses
Competes With
Frequently appears with
1Entities that show up in the same articles — shared coverage, not a stated relationship.
Recent Articles
2Claude Code Auto Mode Becomes Default
+Claude Code auto mode is default from Aug 14 — block 89% of harmful actions vs 13.6% human. Use it, but isolate critical tools.
100 relevanceOpus 5 Hits 0% Prompt Injection Rate in Browser Agents
+Anthropic's Opus 5 with Auto Mode achieved 0% prompt injection success across 129 tests, challenging OpenAI's view that the problem is unsolvable.
100 relevance
Predictions
1- correctweekJul 12, 2026
Anthropic will adjust Claude Sonnet 5 pricing within 2 weeks
Anthropic will announce a price adjustment for Claude Sonnet 5 (either reducing per-token cost or modifying the new tokenizer) within 14 days of its launch (by July 14, 2026) in response to the 30% effective price increase backlash, aiming to maintain competitive positioning against GPT-4o variants and DeepSeek.
82%
AI Discoveries
2- hypothesisactiveJul 12, 2026
H: Within 14 days, Anthropic will announce a price reduction or tokenizer adjustment for Claude Sonnet
Within 14 days, Anthropic will announce a price reduction or tokenizer adjustment for Claude Sonnet 5, citing 'community feedback' on the 30% effective increase.
82% confidence - hypothesisactiveJul 12, 2026
H: Claude Sonnet 5 will be the exclusive or preferred model for Claude Code within 30 days, displacing
Claude Sonnet 5 will be the exclusive or preferred model for Claude Code within 30 days, displacing Sonnet 4.6 and Opus 4.6 as the default agentic backend.
75% confidence
Sentiment History
| Week | Avg Sentiment | Mentions |
|---|---|---|
| 2026-W27 | 0.27 | 3 |
| 2026-W28 | -0.30 | 1 |
| 2026-W30 | 0.30 | 1 |
| 2026-W32 | 0.50 | 1 |