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Claude Sonnet 3.7

anthropic·anthropic/claude-3-7-sonnet-20250219·Deprecated·Closed·claude-sonnet series
Balanced Claude model for coding, analysis, agent workflows, and cost control

Claude Sonnet 3.7 by anthropic is offered by 7 providers on this page. Public prices are shown for 6 of them. Its reference price is $3.00 per 1M input tokens and $15.00 per 1M output tokens. The lowest paid channel is Poe at $2.60 / $13.00 per 1M, about 1.2× below the reference price. That channel is a third-party gateway, so confirm its availability and rate limits before depending on it.

Artificial Analysis rates it 17.7 on the Intelligence Index, with 36.4 for coding. Against its lowest blended price of $5.20 per 1M, that is roughly 3 index points per dollar, which is the value ratio the leaderboards rank on.

The context window is 1,000,000 tokens at the reference host, but hosts report different limits, from 196,608 to 1,000,000, so the usable window depends on the provider you pick. It supports reasoning and tool use. Accepted input modalities are Text, Image, and PDF. Its training knowledge cuts off at 2024-10-31.

Specs & pricing

Input / output per 1M tokens
Reference price·Pioneer
$3.00 / $15.00
Blended $6.00 · Cache read $0.30
Lowest paid·PoeGateway
$2.60 / $13.00
Blended $5.20 · 1.2× spread
Context
1,000,000
Output limit
128,000
Knowledge cutoff
2024-10-31
Released / updated
2025-02-19 / 2025-02-19
Capabilities
✓ Reasoning✓ Tool useStructured output✓ Temperature✓ Attachments
Modalities
TextImagePDF

Quality & performanceArtificial Analysis · Intelligence Index v4.3 · rep. tier Reasoning

Intelligence17.7
Value3
Coding36.4
Agentic—
Output speed—
TTFT—
Value formulaIQ 17.7 ÷ min blended $5.200 = 3
Reasoning tier → intelligence / speed (higher tier = stronger but slower)
Non-reasoningIQ 15.3
ReasoningIQ 17.7

Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.

Available at 7 providers6 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Poe
anthropic/claude-sonnet-3.7
Gateway$2.60$13.00$0.26$3.20196,608 ⚠128,000
ZenMux
anthropic/claude-3.7-sonnet
Gateway$3.00$15.00$0.30$3.75200,000 ⚠64,000deprecated
Merge GatewayGateway$3.00$15.00$0.30$3.75200,000 ⚠64,000
DigitalOcean
anthropic-claude-3.7-sonnet
Cloud$3.00$15.00$0.30$3.75200,000 ⚠64,000deprecated
AbacusGateway$3.00$15.00——200,000 ⚠64,000
Pioneer
claude-3-7-sonnet-latest
Gateway$3.00$15.00$0.30$3.751,000,000128,000
Qiniu
claude-3.7-sonnet
Gateway————200,000 ⚠128,000hostTable.undisclosed

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.

Reasoning control

effort = loweffort = mediumeffort = highToggle (on / off)budget_tokens ≥ 1,024 ≤ 63,999

Interleaved thinking (reasoning between tool calls) is declared by 1 of 7 providers.

3 / 7 providers expose no reasoning control (reasoning_options: []).

Your usage cost

1Poe$889.20
2ZenMux$1,026.00
3Merge Gateway$1,026.00
4DigitalOcean$1,026.00
5Pioneer$1,026.00
6Abacus$1,350.00
The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$15.00$02026-08-052026-08-132026-08-05 · Input list $3.002026-08-06 · Input list $3.002026-08-07 · Input list $3.002026-08-08 · Input list $3.002026-08-09 · Input list $3.002026-08-10 · Input list $3.002026-08-11 · Input list $3.002026-08-12 · Input list $3.002026-08-13 · Input list $3.002026-08-05 · Output list $15.002026-08-06 · Output list $15.002026-08-07 · Output list $15.002026-08-08 · Output list $15.002026-08-09 · Output list $15.002026-08-10 · Output list $15.002026-08-11 · Output list $15.002026-08-12 · Output list $15.002026-08-13 · Output list $15.002026-08-05 · Min blended $5.202026-08-06 · Min blended $5.202026-08-07 · Min blended $5.202026-08-08 · Min blended $5.202026-08-09 · Min blended $5.202026-08-10 · Min blended $5.202026-08-11 · Min blended $5.202026-08-12 · Min blended $5.202026-08-13 · Min blended $5.20

Benchmark1 items

NameConditionsScoreMetricSource
Aider Polyglot—64.9percent correctSource ↗

The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.

Artificial Analysis evaluations10 items

GPQA Diamond77.2%
Humanity's Last Exam9.7%
MMLU-Pro83.7%
LiveCodeBench47.3%
Terminal-Bench Hard21.2%
AIME 202556.3%
AIME48.7%
MATH-50094.7%
τ²-Bench Telecom54.7%
IFBench48.3%

Individual evaluations run by Artificial Analysis, on the same reasoning tier as the intelligence score above. Each benchmark has its own task set and harness, so rows are not comparable with one another. The Intelligence Index above draws on a different, newer set of evaluations.

Related models

Claude Sonnet 5.5same series$2.00 / $10.00Claude Sonnet 5.5 (EU)same series$2.20 / $11.00Claude Sonnet Latestsame series$2.00 / $10.00GLM-5.2cheaper alternative$1.40 / $4.40GLM-5.3cheaper alternative$1.40 / $4.40GLM-5.3-Flashcheaper alternative$0.15 / $0.50DeepSeek V4.1 Flashcheaper alternative$0.15 / $0.60
Data partly from models.dev (MIT) · Pioneer official docs ↗