Grok 4.3 vs Claude 4.5 Haiku: Release Comparison

Comparison of the Grok 4.3 and Claude 4.5 Haiku releases: 4 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 6 models.

  • For intelligence, Grok 4.3 scores highest: Grok 4.3 (high) at 25, against Claude 4.5 Haiku (Reasoning) at 18 for Claude 4.5 Haiku.
  • For output speed, Grok 4.3 is fastest: Grok 4.3 (high) at 126 t/s, against Claude 4.5 Haiku (Non-reasoning) at 91 t/s for Claude 4.5 Haiku.
  • For cost per task, Grok 4.3 is cheapest: Grok 4.3 (Non-reasoning) at $0.14, against Claude 4.5 Haiku (Reasoning) at $0.21 for Claude 4.5 Haiku.

Releases compared

Intelligence

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v4.3 incorporates 10 evaluations: AA-Briefcase, GDPval-AA v2, AutomationBench-AA, Terminal-Bench 4.0, SciCode, Humanity's Last Exam, GDP.pdf, CritPt, AA-Omniscience, AA-LCR v1.1
Estimate (independent evaluation forthcoming)

Intelligence Index vs. Cost per Intelligence Index Task

Artificial Analysis Intelligence Index · Weighted average cost (USD) per Artificial Analysis Intelligence Index task
Most attractive quadrant
Grok 4.3
Pareto line

Cost

Cost per Intelligence Index Task

Weighted average cost (USD) per Artificial Analysis Intelligence Index task, segmented by token type. Lower is better

Speed & Latency

Output Speed

Output tokens per second · Higher is better

Capability Scores

Capability Indices

Measures the performance of models on specific capabilities and industries
Finance & Accounting Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Strategy & Ops Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Legal Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better

Healthcare & Medical Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better

Engineering Index

Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better

Economics Index

Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better

Further details

Input modality
Output modality
Weights
Provider Benchmarks
Grok 4.3 (high)
SpaceXAI logoSpaceXAI
25
28
18
33
27
31
41
$0.17
$0.6
$1.25
$2.50
$0.20
$332
18k
11k
87M
126
20.57s
20.57s
24.56s
143.84s
-
1M
Apr 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
SpaceXAIAmazon BedrockMicrosoft Azure
Grok 4.3 (medium)
SpaceXAI logoSpaceXAI
25
-
-
-
-
-
-
-
$0.6
$1.25
$2.50
$0.20
-
-
-
-
108
12.57s
12.57s
17.20s
-
-
1M
Apr 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Amazon BedrockMicrosoft AzureSpaceXAI
Grok 4.3 (low)
SpaceXAI logoSpaceXAI
24
-
-
-
-
-
-
-
$0.6
$1.25
$2.50
$0.20
-
-
-
-
101
4.55s
4.55s
9.47s
-
-
1M
Apr 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Amazon BedrockMicrosoft AzureSpaceXAI
Claude 4.5 Haiku (Reasoning)
Anthropic logoAnthropic
18
16
11
20
17
20
27
$0.21
$0.8
$1.00
$5.00
$0.10
$524
18k
8k
78M
89
18.59s
18.59s
24.19s
160.56s
-
200k
Oct 2025
Jul 2025
Yes

Supports: text and image

Supports: text

Not available
-
Amazon BedrockGoogleAnthropicMicrosoft Azure
Claude 4.5 Haiku (Non-reasoning)
Anthropic logoAnthropic
15
-
-
-
-
-
-
-
$0.8
$1.00
$5.00
$0.10
-
-
-
-
91
0.66s
0.66s
6.19s
-
-
200k
Oct 2025
Jul 2025
No

Supports: text and image

Supports: text

Not available
-
Microsoft AzureAmazon BedrockAnthropicGoogle
Grok 4.3 (Non-reasoning)
SpaceXAI logoSpaceXAI
15
16
14
19
-
15
21
$0.14
$0.6
$1.25
$2.50
$0.20
$203
9k
0
12M
106
0.84s
0.84s
5.57s
89.70s
-
1M
Apr 2026
-
No

Supports: text and image

Supports: text

Not available
-
Amazon BedrockSpaceXAI