SpaceXAI: Grok 4.5
x-ai/grok-4-5Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Modalities
In / out per 1M$2.00 / $6.00
Context488K
ReleasedJul 8, 2026
Providers
4 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
| $2.00 | $6.00 | $0.30 | 2.58s | 54 tps | 99.88% | |
| $2.00 | $6.00 | $0.30 | 3.43s | 51 tps | 99.63% | |
| $4.00 | $12 | $0.60 | 3.75s | 39 tps | — | |
| $4.00 | $12 | $0.60 | 1.90s | 40 tps | — |
Market-wide measurements, refreshed every 15 minutes. They describe who serves Grok 4.5 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what Grok 4.5 costs pay-as-you-go elsewhere, not what you pay here.
Input
$2.00
per 1M tokens
Output
$6.00
per 1M tokens
Cache read
$0.30
per 1M cached tokens
Included in every pass
Grok 4.5 is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.
Performance
Time to first token and output speed across every provider, over the last 3 days.
0.0s2.5s5.0s7.5s10.0s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
SpaceXAI SpaceXAI
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
SpaceXAI SpaceXAI
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.25%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.23%
100% 97% 93% 90%
Oct 13, 2:40 PMNow
Apps
Tools that most often run Grok 4.5, by tokens this week.
Activity
266.3B tokens processed market-wide in the last month.
05.0B10.0B15.0B20.0B
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens
FAQ
Which model id do I use for Grok 4.5?
x-ai/grok-4.5. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Grok 4.5 hold?
500,000 tokens per request, of which up to 450,000 can be the response.
What can it accept and return?
Input: text, image, file. Output: text.
What does Grok 4.5 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $2.00 per 1M input tokens and $6.00 per 1M output tokens.
Who built Grok 4.5?
SpaceXAI, in the Grok family.
Explore
Other models your pass can call.
