claude-sonnet-4-5
Developer: Anthropic
Also known as
Claude Sonnet 4.5 by Anthropic is available through 92 API providers on LMSpeed. Compare API pricing from $0.010 to $15603942.00 per million input tokens across providers. In speed benchmarks, the fastest provider reaches 126 tok/s.
Compare Claude Sonnet 4.5 API pricing across 92 providers. Input prices range from $0.010 to $15603942.00 per million input. Medu Chat offers the lowest rate at $0.010/M.
| Provider | Model Variant | Input ($/M) | Output ($/M) | Speed (t/s) |
|---|---|---|---|---|
| Medu Chat | claude-sonnet-4-5 | $0.010 | $0.010 | — |
| 10dian-API | claude-sonnet-4-5 | $0.020 | $0.020 | — |
 UnifyLLM | claude-sonnet-4-5-20250929-c | $0.080 | $0.080 | — |
 全球AI | claude-sonnet-4-5-20250929-c | $0.114 | $0.114 | — |
 GLM BigModel Relay | claude-sonnet-4-5-20250929 | $0.300 | $1.50 | — |
| 人人 API | claude-sonnet-4-5-20250929 | $0.300 | $1.50 | — |
 VVCode | claude-sonnet-4-5-20250929 | $0.300 | $1.50 | — |
| 碳硅生命体 | claude-sonnet-4-5-20250929 | $0.360 | $1.80 | — |
| SWT-API | claude-sonnet-4.5 | $0.375 | $1.88 | — |
 MonkingAI | claude-sonnet-4-5-20250929 | $0.480 | $2.40 | — |
| Nova AI | claude-sonnet-4-5-20250929 | $0.900 | $4.50 | — |
| 蜜音AI | claude-sonnet-4-5 | $0.900 | $4.50 | — |
| 蜜音AI | claude-sonnet-4-5-20250929 | $0.900 | $4.50 | — |
| Synapse | claude-4.5-sonnet | $1.00 | $1.00 | — |
| Synapse | claude-sonnet-4-5 | $1.00 | $1.00 | — |
| Synapse | claude-sonnet-4-5-20250929 | $1.00 | $1.00 | — |
| Synapse | claude-sonnet-4.5 | $1.00 | $1.00 | — |
 ModelPool | claude-sonnet-4-5-20250929 | $1.80 | $9.00 | — |
 OpenRouter Fans | anthropic/claude-sonnet-4.5 | $2.60 | $13.00 | — |
| Seamee API | claude-sonnet-4-5-20250929 | $2.99 | $14.96 | — |
Pricing data from provider public APIs
Compare speed and latency performance across all API providers.
Showing 1-9 of 9 providers
| Provider | Speed | Latency | Tests |
|---|---|---|---|
claude-sonnet-4-5-20250929 | 125.92 tok/s | 1.27s | 5 |
CatClaw API claude-sonnet-4.5 | 46.48 tok/s | 5.11s | 15 |
claude-sonnet-4-5 | 45.99 tok/s | 1.35s | 5 |
 claude-sonnet-4-5-20250929 | 45.40 tok/s | 3.17s | 10 |
 claude-sonnet-4-5-20250929 | 41.39 tok/s | 3.27s | 10 |
claude-sonnet-4.5 | 40.77 tok/s | 3.28s | 5 |
claude-sonnet-4-5 | 28.83 tok/s | 9.80s | 5 |
 claude-sonnet-4-5-20250929 | 16.92 tok/s | 9.74s | 12 |
 claude-sonnet-4-5-20250929 | 6.99 tok/s | 4.09s | 5 |
Latest benchmark results measuring API response speed and first-token latency.
| Time | Model | Speed | Latency |
|---|---|---|---|
| 04/13/2026, 09:33 | claude-sonnet-4-5 | 28.94 tok/s | 9.18s |
| 04/13/2026, 09:33 | claude-sonnet-4-5 | 23.67 tok/s | 14.30s |
| 04/13/2026, 09:33 | claude-sonnet-4-5 | 37.42 tok/s | 9.02s |
| 04/13/2026, 09:33 | claude-sonnet-4-5 | 20.89 tok/s | 7.84s |
| 04/13/2026, 09:33 | claude-sonnet-4-5 | 33.21 tok/s | 8.66s |
| 03/30/2026, 02:15 | claude-sonnet-4-5-20250929 | 25.20 tok/s | 6.03s |
| 03/30/2026, 02:15 | claude-sonnet-4-5-20250929 | 4.42 tok/s | 17.18s |
| 03/30/2026, 02:15 | claude-sonnet-4-5-20250929 | 14.25 tok/s | 11.43s |
| 03/30/2026, 02:14 | claude-sonnet-4-5-20250929 | 28.08 tok/s | 5.37s |
| 03/30/2026, 02:14 | claude-sonnet-4-5-20250929 | 18.78 tok/s | 7.29s |
| 03/30/2026, 02:14 | claude-sonnet-4-5-20250929 | 16.31 tok/s | 13.72s |
| 03/30/2026, 02:13 | claude-sonnet-4-5-20250929 | 31.27 tok/s | 4.28s |
| 03/30/2026, 02:12 | claude-sonnet-4-5-20250929 | 20.05 tok/s | 7.08s |
| 03/30/2026, 02:12 | claude-sonnet-4-5-20250929 | 7.24 tok/s | 10.49s |
| 03/30/2026, 02:12 | claude-sonnet-4-5-20250929 | 12.28 tok/s | 12.61s |
| 03/30/2026, 02:12 | claude-sonnet-4-5-20250929 | 5.74 tok/s | 13.23s |
| 03/30/2026, 02:12 | claude-sonnet-4-5-20250929 | 19.44 tok/s | 8.17s |
| 03/29/2026, 10:10 | claude-sonnet-4-5-20250929 | 51.24 tok/s | 2.90s |
| 03/29/2026, 10:10 | claude-sonnet-4-5-20250929 | 38.64 tok/s | 2.82s |
| 03/29/2026, 10:10 | claude-sonnet-4-5-20250929 | 52.48 tok/s | 2.25s |
