77.2%
GPQA Diamond
Models / Anthropic
Claude Sonnet 4.6
Claude Sonnet · Released 2026-02-17
Anthropic's February 2026 mid-tier model.
The default for production work that needs Anthropic's voice and tool-use discipline without the Opus 4.8 price tag.
Composite47
Context1M
Input / 1M$3.0
Output / 1M$15
Knowledge cutoff2025-12-01
Output speed44 t/s
Statusflagship
Family profile
Best published score in each covered benchmark family.
59/100 avg
- Reasoning
- 77
- Math
- 32
- Long context
- 68
3 tested benchmark families
Editor's note
Sonnet 4.6 is the workhorse. It leads Anthropic's mid-tier and sits at #3 on Vals — between Opus 4.8 and the GPT 5.4 family. For production agents where Opus 4.8 is overkill, this is the Anthropic pick.Benchmark placements
Per-benchmark positions
Where Claude Sonnet 4.6 places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.
| Benchmark | Family | Rank | Score | Source | Date |
|---|---|---|---|---|---|
| FrontierMath | Math | #15/ 15 | 32 | Epoch AI FrontierMath Tiers 1-3 (v2) CSV | 2026-08-15 |
| AA output speed | Performance | #127/ 195 | Artificial Analysis | 2026-10-12 | |
| AA-LCR | Long context | #132/ 184 | 68 | Artificial Analysis | 2026-09-28 |
| GPQA Diamond | Reasoning | #148/ 184 | 77 | Artificial Analysis GPQA Diamond evaluation | 2026-06-09 |
| Humanity's Last Exam | Reasoning | #151/ 186 | 13 | Artificial Analysis | 2026-09-28 |
Family context
Strongest rows in each family
The three highest-scoring models with pages in each capability family. Where Claude Sonnet 4.6 shows up, it's highlighted.
ReasoningClaude Sonnet 4.6 · 77
- 196
- 295
- 395
MathClaude Sonnet 4.6 · 32
- 152
- 252
- 350
Long contextClaude Sonnet 4.6 · 68
- 189
- 286
- 385
Newest receipts
4 recentLast 120 days
Benchmark rows added to the public ledger for Claude Sonnet 4.6 in the last 120 days. Older rows live in the full table below.
| Benchmark | Family | Score | Source | Days ago |
|---|---|---|---|---|
| AA output speed | Performance | 44 t/s | Artificial Analysis | 10 |
| AA-LCR | Long context | 68.33% | Artificial Analysis | 24 |
| Humanity's Last Exam | Reasoning | 13.3% | Artificial Analysis | 24 |
| FrontierMath | Math | 32.4% | Epoch AI FrontierMath Tiers 1-3 (v2) CSV | 68 |
Family coverage
Best score per family
A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.
Price vs. performance
Where Claude Sonnet 4.6 sits on the scatter
Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.
AnthropicOpenAIGoogleAlibabaMetaZhipuxAIDeepSeekMiniMaxXiaomiMoonshotOtherMeituanMistralNVIDIACohere
Full benchmark ledger
Every catalog benchmark for Claude Sonnet 4.6. Scores link to the original source; gaps mean no public row exists yet.
5 of 13 catalog benchmarks have a sourced row for Claude Sonnet 4.6.
Reasoning
Humanity's Last ExamVerified
13.3%
HLE (AA run)
Math
FrontierMathVerified
32.4%
FrontierMath Tiers 1-3 (v2) best Epoch run
Long context
AA-LCRVerified
68.33%
AA-LCR (AA run)
Performance
AA output speedVerified
44 t/s
Median output tokens/s (1k prompt, default provider)
Changelog
Version history
- Released Claude Sonnet 4.6 — Vals #3 at 60.30%, 1M context, $3 / $15.
Sources
Where the numbers come from
- Anthropic pricing· checked 2026-06-01
- Sonnet 4.6 release· checked 2026-06-01
Questions this model page answers
Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.
What is Claude Sonnet 4.6?
Claude Sonnet 4.6 is a Anthropic model: Anthropic's February 2026 mid-tier model.
What is Claude Sonnet 4.6 for?
The default for production work that needs Anthropic's voice and tool-use discipline without the Opus 4.8 price tag.
What does Claude Sonnet 4.6 cost?
Claude Sonnet 4.6 lists $3.0 input and $15 output per 1M tokens. Pricing last checked 2026-06-01.
How large is the Claude Sonnet 4.6 context window?
Claude Sonnet 4.6 publishes a 1M token context window.
What is the VerdictPal status of Claude Sonnet 4.6?
Claude Sonnet 4.6 carries Flagship status on the model atlas.
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