GPT-4.5 API Benchmarks, Pricing & Provider Data
Compare GPT-4.5 with another model
Choose a model to open its comparison page.
GPT-4.5 benchmark, API pricing, and provider data cover 89 API providers, with prices starting at $3.08/M. GPT-4.5 free API options are available from 4 providers.
OpenAI GPT-4.5 advances general reasoning, tool use, and multimodal understanding for demanding assistant and agent applications.
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 0 / 8
- Methodology
- V3.0
No benchmark category data yet.
Specifications
Detailed scores
Updated: Sep 2, 2026Agents
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Agents
V3.0undefined metric} other undefined metrics}} · No data
Coding
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Coding
V3.0undefined metric} other undefined metrics}} · No data
Reasoning
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Reasoning
V3.0undefined metric} other undefined metrics}} · No data
Knowledge
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Knowledge
V3.0undefined metric} other undefined metrics}} · No data
Math
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Math
V3.0undefined metric} other undefined metrics}} · No data
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
Instruction following
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Instruction following
V3.0undefined metric} other undefined metrics}} · No data
Pricing Comparison
Compare GPT-4.5 API pricing across 85 providers. Prices range from $3.08/M to $495.00/M. ZEN-AI VIP offers the lowest rate at $3.08/M. 4 providers offer free API credits or a free tier.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
L1 100% | gpt-4.5-preview-2025-02-27 | default | $10.27/M | $20.55/M | — | — | — | |
L1 100% | gpt-4.5-preview | default | $10.27/M | $20.55/M | — | — | — | |
L1 100% | gpt-4.5-preview-2025-02-27 | default | $57.53/M | $115.07/M | — | — | — | |
L1 100% | gpt-4.5-preview | default | $57.53/M | $115.07/M | — | — | — | |
兔子API Free | L1 100% | gpt-4.5-preview | 原价分组 | Free | Free | — | — | — |
L1 100% | gpt-4.5-preview-2025-02-27 | default | Free | Free | — | — | — | |
L1 100% | gpt-4.5-preview-2025-02-27 | default | $3.08/M Cache read$1.54/M | $6.16/M | — | — | — | |
L1 100% | gpt-4.5-preview | default | $3.08/M Cache read$1.54/M | $6.16/M | — | — | — | |
L1 100% | gpt-4.5-preview | gpt-openai | $300.00/M Cache read$150.00/M | $600.00/M | — | — | — | |
L1 100% | gpt-4.5-preview-2025-02-27 | gpt-openai | $300.00/M Cache read$150.00/M | $600.00/M | — | — | — | |
L1 100% | gpt-4.5-preview | default | $5.14/M Cache read$2.57/M | $10.27/M | — | — | — | |
L1 100% | gpt-4.5-preview-2025-02-27 | default | $5.14/M Cache read$2.57/M | $10.27/M | — | — | — | |
L1 99% | gpt-4.5-preview | gpt-vip | $35.96/M Cache read$17.98/M | $71.92/M | — | — | — | |
L1 99% | gpt-4.5-preview-2025-02-27 | gpt-vip | $35.96/M Cache read$17.98/M | $71.92/M | — | — | — | |
L1 99% | gpt-4.5-preview-2025-02-27 | default | $75.00/M Cache read$37.50/M | $150.00/M | — | — | — | |
L1 99% | gpt-4.5-preview | default | $75.00/M Cache read$37.50/M | $150.00/M | — | — | — | |
L1 100% | gpt-4.5-preview | default | $112.50/M | $225.00/M | — | — | — | |
L1 100% | gpt-4.5-preview-2025-02-27 | default | $112.50/M | $225.00/M | — | — | — | |
L1 99% | gpt-4.5-preview | default | $36.71/M | $73.43/M | — | — | — | |
L1 99% | gpt-4.5-preview-2025-02-27 | default | $36.71/M | $73.43/M | — | — | — |
Alternatives & Similar Models
GPT-4o
gpt-4o
OpenAI GPT-4o is a multimodal flagship model with fast text, vision, and audio understanding, optimized for real-time chat, coding assistants, and production API workloads.
GPT-4o Mini
gpt-4o-mini
OpenAI GPT-4o Mini is a compact language model in the GPT-4 series, optimized for low-latency responses and efficient inference.
GPT-4
gpt-4
OpenAI GPT-4 is a flagship large language model with strong reasoning, instruction following, and tool use, widely used for complex analysis, coding, and production chat applications.
GPT-4 Turbo
gpt-4-turbo
OpenAI GPT-4 Turbo delivers GPT-4-level reasoning with a 128K context window, vision support, and lower latency for production chat, analysis, and agent backends.
GPT-5.4
gpt-5-4
OpenAI GPT-5.4 extends the GPT-5 family with stronger instruction following, deeper tool use, and improved performance on coding, math, and long-document analysis.
GPT-5.2
gpt-5-2
OpenAI GPT-5.2 is a GPT-5 series model emphasizing advanced reasoning, multimodal understanding, and high-quality outputs for complex enterprise workloads.
Frequently Asked Questions
- What benchmark data does GPT-4.5 include?
- LMSpeed shows GPT-4.5 benchmark context, API price, output speed, first-token latency, and provider data across 89 providers when those signals are available.
- What is the GPT-4.5 API price?
- GPT-4.5 has pricing from 89 providers, ranging from $3.08/M to $495.00/M. ZEN-AI VIP has the lowest listed price.
- What does the GPT-4.5 API pricing table include?
- The GPT-4.5 API pricing table compares 89 providers by input price, output price, free tier status, speed, first-token latency, and recent health data when available.
- Which provider has the cheapest GPT-4.5 API pricing?
- ZEN-AI VIP currently has the lowest listed GPT-4.5 price at $3.08/M across 89 providers.
- Is GPT-4.5 API free?
- Yes, GPT-4.5 free API options are available through 4 providerundefined other undefined} on LMSpeed, including 兔子API, 兔子API, 兔子API, 兔子API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get GPT-4.5 free API access?
- LMSpeed currently lists 4 free API providerundefined other undefined} for GPT-4.5: 兔子API, 兔子API, 兔子API, 兔子API. Check each provider row before using it because free tier limits can change.
