GPT 4 Turbo
OpenAI · → text
Input$10 /M
Output$30 /M
← ModelsGPT 4 Turbo
Grok 4.5
GPT 4 Turbo vs Grok 4.5
Compare GPT 4 Turbo from OpenAI and Grok 4.5 from Grok on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
GPT 4 TurboGrok 4.5+ Add model · 2/4
Grok 4.5
Grok · text, image → text
Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.
Input$2 /M
Output$6 /M
Cache read$0.5 /M
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
GPT 4 Turbo
Grok 4.5
Input /M
$10
$2
Output /M
$30
$6
Cache read /M
-
$0.5
Context length
0
500,000
Max output
0
500,000
Time to First Token
-
1.6 s
Throughput
-
17.5 tok/s
Modalities
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
November 6, 2023
July 2026
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
gpt-4-turbogrok-4.5
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
gpt-4-turbogrok-4.5
Throughput (tok/s)
-
TTFT (s)
-
Uptime (%)
-
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Text
gpt-4-turbogrok-4.5
1280134014001460
Overall
13241466
Coding
13471347
Math
12961296
Hard prompts
13161316
Instruction following
13031303
Multi-turn
13121312
Creative writing
13231323
Longer query
13161316
Chinese
13161316
English
13411341
Vision
gpt-4-turbogrok-4.5
1080114012001260
Overall
11121280
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Cost calculator
Estimate your monthly bill for the same workload on each model.
Grok 4.5
$210 /mo
GPT 4 Turbo
$1,050 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: GPT 4 Turbo, Grok 4.5?
Grok 4.5: $6/M output tokens; GPT 4 Turbo: $30/M. Use the cost calculator above to estimate your own workload.
Can I call GPT 4 Turbo and Grok 4.5 with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
Popular comparisons
Related model match-ups readers also look at.
