Claude Sonnet 4.6

Anthropic

Best balance of intelligence, speed and cost in the Claude family.

✓ Best for
Balanced daily use: coding, writing, analysis
✗ Not ideal for
The absolute hardest reasoning (use Opus)
1M+ contextHigh intelligenceMultimodal vision
TextVisionTool useCode
Visit official site →Compare →

Performance

Artificial Analysis — Intelligence Index· 2026-06-17
Intelligence Index52High · /100
Coding85
Math79
Reasoning82
Vision72
Arena Elo1432Above average

Specifications

VendorAnthropic
FamilyClaude
Context1M · 750k words（≈ a novella）
Max output64K · 48k words（≈ a thesis）Below average
Released2026-02-18
Open sourceNo
Tool use✓
Technical specs (developers: rate limits / latency / throughput)
Rate limit (RPM)500
Rate limit (TPM)250,000
TTFT280 ms
Output speed150 tok/s

Pricing across channels

per 1M tokens, USD

ChannelTypeInputOutput→
Anthropic APIOfficial$3.00$15.00visit
OpenRouterAggregator$3.00$15.00visitAd
Anthropic Pricing· 2026-06-17

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