Claude Sonnet 4.5 (latest)
anthropic/claude-sonnet-4-5Balanced Claude model for coding, analysis, agent workflows, and cost control
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Context
200K
200,000 tokens
Max output
64K
64,000 tokens
Input
$3.00
per 1M tokens
Output
$15.00
per 1M tokens
Providers
29
34 listings
Intelligence
20.7
Intelligence Index
Pricing
USD per 1M tokens · listed by Anthropic
| Token type | Standard | Over 200K context |
|---|---|---|
| Input | $3.00 | $6.00 |
| Output | $15.00 | $22.50 |
| Cache read | $0.30 | $0.60 |
| Cache write | $3.75 | $7.50 |
Above 200K context: $6.00 in, $22.50 out. Lowest input price across providers: $2.58.
Capabilities
ReasoningYes
Budget tokens ≥ 1,024
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsYes
Interleaved reasoningYes
Open weightsNo
ModeratedYes
Input
TextImagePDF
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence20.7#99 of 208
- Coding52.1#51 of 112
- Agentic15.8#48 of 86
- Arena1,144#74 of 128
| Design Arena category | Elo | Win rate | Arena rank |
|---|---|---|---|
| ASCII art | 1,202 | 56.1% | #24 |
| Website | 1,188 | 51.8% | #71 |
| Code | 1,181 | 51.5% | #67 |
| Data viz | 1,167 | 47.4% | #74 |
| UI component | 1,167 | 49.4% | #70 |
| Game dev | 1,166 | 51.1% | #70 |
| 3D | 1,155 | 51.0% | #67 |
| Mobile apps | 1,137 | 52.9% | #33 |
| SVG | 1,111 | 52.2% | #60 |
| Web apps | 1,059 | 43.2% | #40 |
| Full stack | 1,050 | 43.7% | #35 |
Rankings
Position on each OneAtlas leaderboard
Providers · 29
34 listings
Anthropic
NanoGPT
LLM Gateway
Kilo Gateway
DevPass (LLM Gateway)Requesty
AI/ML API
AIHubMix
Ofox
Poe
OpenCode
Venice AI
OrcaRouter
ZenMuxCortecs
Helicone
Qiniu
Tempr Gateway
DigitalOcean
Impossibl
Cloudflare AI Gateway
Neon
NEAR AI Cloud
OpperSAP AI Core
Perplexity Agent
Databricks
AnyAPI
Snowflake Cortex| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AI/ML API | anthropic/claude-sonnet-4.5 | 200K | — | 64K | $3.17 | $15.87 | — | $0.32 | $3.97 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| AIHubMix | claude-sonnet-4-5 | 200K | — | 64K | $3.30 | $16.50 | — | $0.33 | $4.13 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| AIHubMix | claude-sonnet-4-5-think | 200K | — | 64K | $3.30 | $16.50 | — | $0.33 | $4.13 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Anthropic | claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| AnyAPI | anthropic/claude-sonnet-4-5 | 200K | — | 64K | — | — | — | — | — | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Cloudflare AI Gateway | anthropic/claude-sonnet-4.5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| Cortecs | claude-4-5-sonnet | 200K | — | 64K | $2.99 | $14.95 | — | $0.33 | $4.08 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| Databricks | databricks-claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| DevPass (LLM Gateway) | claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| DigitalOcean | anthropic-claude-4.5-sonnet | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Helicone | claude-4.5-sonnet | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Impossibl | anthropic/claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Kilo Gateway | anthropic/claude-sonnet-4.5 | 1M | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| LLM Gateway | anthropic/claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| LLM Gateway | aws-bedrock/claude-sonnet-4-5 | 200K | — | 8K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| LLM Gateway | vertex-anthropic/claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| NanoGPT | anthropic/claude-sonnet-4.5:thinking | 200K | 200K | 64K | $3.00 | $15.00 | — | $0.30 | — | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| NanoGPT | anthropic/claude-sonnet-4.5 | 200K | 200K | 64K | $3.00 | $15.00 | — | $0.30 | — | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| NEAR AI Cloud | anthropic/claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Neon | claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| Ofox | anthropic/claude-sonnet-4.5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| OpenCode | claude-sonnet-4-5 | 1M | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Opper | claude-sonnet-4-5 | 200K | — | 64K | $3.30 | $16.50 | — | $0.33 | $4.13 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| OrcaRouter | anthropic/claude-sonnet-4.5 | 1M | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Perplexity Agent | anthropic/claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Poe | anthropic/claude-sonnet-4.5 | 983K | — | 33K | $2.58 | $12.88 | — | $0.26 | $3.22 | — | — | Yes | Yes | Unknown | No | Sep 29, 2025 |
| Qiniu | claude-4.5-sonnet | 200K | — | 64K | — | — | — | — | — | — | — | Yes | Yes | No | Yes | Sep 29, 2025 |
| Requesty | claude-sonnet-4-5 | 1M | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | No | Yes | Yes | Yes | Sep 29, 2025 |
| Requesty | claude-sonnet-4-5@eu | 1M | — | 64K | $3.30 | $16.50 | — | $0.30 | $4.13 | — | — | No | Yes | Yes | Yes | Sep 29, 2025 |
| SAP AI Core | anthropic--claude-4.5-sonnet | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |
| Snowflake Cortex | claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| Tempr Gateway | anthropic/claude-sonnet-4-5 | 200K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| Venice AI | claude-sonnet-4-5 | 198K | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Yes | Yes | Sep 29, 2025 |
| ZenMux | anthropic/claude-sonnet-4.5 | 1M | — | 64K | $3.00 | $15.00 | — | $0.30 | $3.75 | — | — | Yes | Yes | Unknown | Yes | Sep 29, 2025 |