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Claude Sonnet 4.6 (Vertex AI (Anthropic))
anthropic·anthropic/claude-sonnet-4-6-4·GA·Closed·claude-sonnet series
Claude workhorse for coding agents, careful analysis, and production cost control
At a glance
Reference price$3.00 / $15.00 per 1M
Cache read $0.30 · LLM Gateway
Lowest paid$3.00 / $15.00
LLM Gateway Gateway
Context1,000,000
Output limit64,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2025-08-31
Released / updated2026-02-17 / 2026-03-13
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| LLM Gateway vertex-anthropic/claude-sonnet-4-6 | Gateway | $3.00 | $15.00 | $0.30 | — | 1,000,000 | 64,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1LLM Gateway$1,026.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
budget_tokens ≥ 1,024 ≤ 63,999effort = loweffort = mediumeffort = higheffort = xhigheffort = max
Related models
Claude Sonnet 5same series$2.00 / $10.00Claude Sonnet 5 Thinkingsame series$2.00 / $10.00Claude Sonnet 5 (JP)same series$2.00 / $10.00GLM-5.2cheaper alternative$1.40 / $4.40DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28DeepSeek V4 Flash 0731cheaper alternative$0.479 / $1.44
Price historyone sample accumulated per data sync
Input list $3.00Output list $15.00Min blended $6.00
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-21). Each future sync adds a point, and once accumulated a line is drawn here.