AIHubMixAIHubMix
← Models

Claude Haiku 4.5 vs Grok 4.5

Compare Claude Haiku 4.5 from Anthropic 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.

AnthropicClaude Haiku 4.5GrokGrok 4.5
+ Add model · 2/4
Anthropic logo
Claude Haiku 4.5
Anthropic · text, image → text

Claude Haiku 4.5 is a fast, affordable, and highly capable AI model, excelling at coding and agentic tasks. Its combination of speed and low cost makes it ideal for powering real-time applications like chatbots, high-volume free services, and specialized "sub-agents" for complex tasks in coding, finance, and research. It can also handle common business tasks like creating office documents and assisting with strategy and analysis. ⚠️ The minimum cache token for claude-haiku-4-5 has been increased from 1,024 to 4,096 tokens.

Input$1.10 /M
Output$5.50 /M
Details
Grok logo
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$2.00 /M
Output$6.00 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Claude Haiku 4.5
Grok 4.5
Input /M
$1.10
$2.00
Output /M
$5.50
$6.00
Cache read /M
$1.10
$0.50
Context length
204,800
500,000
Max output
131,072
500,000
Time to First Token
0.7 s
2.6 s
Throughput
74.1 tok/s
30.2 tok/s
Modalities
textimage
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
October 1, 2025
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.

claude-haiku-4-5grok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

claude-haiku-4-5grok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
claude-haiku-4-5grok-4.5
1360142014801540
Overall
14131470
Coding
14811523
Math
13991478
Hard prompts
14411495
Instruction following
14151466
Multi-turn
14251477
Creative writing
13901449
Longer query
14371485
Chinese
14371511
English
14331475
WebDev Arena
claude-haiku-4-5grok-4.5
1280138014801580
Overall
13271556
React
13241559
HTML
13151577
Gaming
13151586
Simulations
13071598
Data analytics
13391522

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.

Claude Haiku 4.5
$149 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Claude Haiku 4.5, Grok 4.5?

Claude Haiku 4.5: $5.50/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; Claude Haiku 4.5: 1481 (LMArena coding leaderboard).

Which responds faster?

Claude Haiku 4.5: 0.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Claude Haiku 4.5 accepts 204,800 and Grok 4.5 accepts 500,000 input tokens. Maximum output per request is 131,072 tokens on Claude Haiku 4.5 and 500,000 tokens on Grok 4.5.

Which one generates tokens faster?

Claude Haiku 4.5 at 74.1 tok/s and Grok 4.5 at 30.2 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Claude Haiku 4.5 accepts text and image input and supports thinking, tool calling, function calling and structured outputs; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call Claude Haiku 4.5 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.

Kimi K3vsQwen3.8 Max PreviewClaude Opus 5vsGPT 5.6 LunaClaude Opus 5vsClaude Sonnet 5Gemini 3.1 Pro PreviewvsGPT 5.5GLM 5.2vsKimi K3Gemini 3.6 FlashvsQwen3.8 MaxDeepSeek V4 FlashvsGLM 5.2Claude Opus 5vsGrok 4.5
AIHubMix

© 2023 - 2026 AIHubMix, LLC

Product

Company

Developer

Connect