Grok 4.20 API Benchmarks, Pricing & Provider Data
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Grok 4.20 benchmark, API pricing, and provider data cover 88 API providers, with prices starting at $0.0050/request. Grok 4.20 free API options are available from 2 providers. The page also shows measured API speed and first-token latency.
xAI Grok 4.20 is a Grok 4 series model with real-time knowledge integration, strong reasoning, and conversational capabilities for search-augmented chat.
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 5 / 8
- Methodology
- V3.0
#1Reasoning52.3Estimated2/4 Measured dimensions
#2Coding47.2RatedGlobal rank #323/4 Measured dimensions
#3Knowledge44.1Provisional1/4 Measured dimensions
#4Agents43.1Estimated2/4 Measured dimensions
#5Multimodal40.2Estimated3/4 Measured dimensions
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
Features
Rankings
Excels at
It's decent at
Falls behind in
Detailed scores
Updated: Sep 1, 2026Overall
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Overall score45.0#82 / 100
Overall
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Pricing
undefined metric} other undefined metrics}}
Input price$1.25/M#120 / 181Output price$2.50/M#87 / 181
Pricing
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Agents
V3.0undefined metric} other undefined metrics}} · Estimated
Score43.180% interval31.9–54.32/4 Measured dimensionsAgentic score30.4#60 / 69Terminal-Bench 2.047.1#47 / 53
Agents
V3.0undefined metric} other undefined metrics}} · Estimated
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Score47.2#3280% interval38.6–55.83/4 Measured dimensionsSciCode45.6%#46 / 206Coding score48.1#59 / 81
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Score52.380% interval41.0–63.52/4 Measured dimensionsGPQA91.1%#22 / 213HLE34.5%#40 / 210
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Score44.180% interval29.0–59.31/4 Measured dimensionsGPQA-D88.5#21 / 31HLE w/o tools31.6#16 / 21
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
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}} · Estimated
Score40.280% interval31.3–49.13/4 Measured dimensionsMultimodal Grounded score35.9#41 / 44MMMU-Pro75.2#25 / 31
Multimodal
V3.0undefined metric} other undefined metrics}} · Estimated
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
OpenRouter endpoints
4 endpointsThird-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.
| Provider endpoint | Input | Output | 1d uptime | 30m latency | 30m throughput | Context / output |
|---|---|---|---|---|---|---|
xAI xai/priority | $2.50/M | $5/M | 100% | — | — | undefined tokens / undefined tokens |
xAI xai/zdr/priority | $2.50/M | $5/M | 100% | — | — | undefined tokens / undefined tokens |
xAI xai | $1.25/M | $2.50/M | 99.9% | — | — | undefined tokens / undefined tokens |
xAI xai/zdr | $1.25/M | $2.50/M | 99.9% | — | — | undefined tokens / undefined tokens |
Pricing Comparison
Compare Grok 4.20 API pricing across 86 providers. Prices range from $0.0050/request to $75.00/M. Kunkunout API offers the lowest rate at $0.0050/request. 2 providers offer free API credits or a free tier.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
L1 98% | grok-4.20-fast | 临时渠道 | -98%$0.027/M | -98%$0.055/M | 90.1 t/s | 3.35 s | — | |
L1 98% | grok-4.20-0309 | 临时渠道 | -98%$0.027/M | -95%$0.137/M | — | — | — | |
L1 100% | grok-4.20-fast | default | -20%$1.00/M Cache read$0.010/M | -60%$1.00/M | — | — | — | |
L1 100% L2 62% | grok-4.20-0309 | default | $75.00/M | $75.00/M | — | — | — | |
L1 99% | grok-4.20-fast | other | -33%$0.833/M Cache read$0.083/M | $2.50/M | — | — | — | |
L1 99% | grok-4.20-0309 | other | -33%$0.833/M Cache read$0.083/M | $2.50/M | — | — | — | |
L1 99% | grok-4.20-fast | 按次计费 | $0.020/request | - | — | — | — | |
L1 100% | [lq]q|YS/grok-4.20-fast | default | $6.00/request | - | — | — | — | |
L1 100% | grok-4.20-fast | default | $10.00/M | $10.00/M | — | — | — | |
Moyanjdc API Free | L1 100% | grok-4.20-fast | default | Free | Free | — | — | — |
L1 100% | grok-4.20-0309 | default | -78%$0.274/M | $2.74/M | — | — | — | |
L1 100% | grok-4.20-fast | default | -78%$0.274/M | $2.74/M | — | — | — | |
L1 100% | grok-4.20-fast | Chat | -99%$0.014/M | -99%$0.034/M | — | — | — | |
L1 100% | grok-4.20-0309 | Chat | -89%$0.137/M | -84%$0.411/M | — | — | — | |
L1 99% | grok-4.20-fast | default | -78%$0.274/M | -67%$0.822/M | — | — | — | |
L1 99% | grok-4.20-0309 | default | -78%$0.274/M | -67%$0.822/M | — | — | — | |
L1 99% | grok-4.20-fast | default | -22%$0.979/M Cache read$0.098/M | $2.94/M | — | — | — | |
L1 99% | grok-4.20-0309 | default | -22%$0.979/M Cache read$0.098/M | $2.94/M | — | — | — | |
L1 99% | grok-4.20-fast | grok | $0.0050/request | - | — | — | — | |
L1 100% | grok-4.20-beta | default | $0.010/request | - | — | — | — |
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Frequently Asked Questions
- What benchmark data does Grok 4.20 include?
- LMSpeed shows Grok 4.20 benchmark context, API price, output speed, first-token latency, and provider data across 88 providers when those signals are available.
- What is the Grok 4.20 API price?
- Grok 4.20 has pricing from 88 providers, ranging from $0.0050/request to $75.00/M. Kunkunout API has the lowest listed price.
- What does the Grok 4.20 API pricing table include?
- The Grok 4.20 API pricing table compares 88 providers by input price, output price, free tier status, speed, first-token latency, and recent health data when available.
- Which provider has the cheapest Grok 4.20 API pricing?
- Kunkunout API currently has the lowest listed Grok 4.20 price at $0.0050/request across 88 providers.
- Can I compare Grok 4.20 API price and speed together?
- Yes. LMSpeed shows Grok 4.20 API price, output speed, first-token latency, and provider health on the same page so you can compare cost and performance together.
- Is Grok 4.20 API free?
- Yes, Grok 4.20 free API options are available through 2 providerundefined other undefined} on LMSpeed, including Moyanjdc API, Dext API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get Grok 4.20 free API access?
- LMSpeed currently lists 2 free API providerundefined other undefined} for Grok 4.20: Moyanjdc API, Dext API. Check each provider row before using it because free tier limits can change.