vs
2:0
overall capability wins (1 ties across 3 scored). Claude Opus 5 leads overall.
- Coding1:0
- Pricing0:3
- Speed0:2
- Specs1:0
Verdict
Claude Opus 5 leads coding (widest gap: +3.3 on CursorBench); Claude Opus 5 offers ~2.0x larger context (1M vs 500K); Cursor Grok 4.5 is ~3.3x cheaper on a blended token basis than Claude Opus 5.
- Claude Opus 5 leads coding (widest gap: +3.3 on CursorBench)
- Claude Opus 5 offers ~2.0x larger context (1M vs 500K)
- Cursor Grok 4.5 is ~3.3x cheaper on a blended token basis than Claude Opus 5
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- Claude Opus 5
- $11.25
- Cursor Grok 4.5
- $3.50
Cursor Grok 4.5 is about 3.2x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
Anthropic
Cursor
Family
Claude Opus
Grok
License
Proprietary
Proprietary
Open weights
No
No
Release
Jul 24, 2026
Jul 9, 2026
Knowledge cutoff
-
-
API / provider
Anthropic
Cursor
Modalities
text, image → text
text, image → text
Specs
Context window
1M
500K
Max output
128K
128K
Parameters
—
—
Pricing
Input $/1M
$5
$2
Output $/1M
$25
$6
Blended $/1M (3∶1)
$10
$3
Speed
tok/s
72
95
TTFT (s)
0.55
0.4
Reasoning
MMLU-Pro
—
—
GPQA Diamond
93.2
—
Humanity's Last Exam
54.9
—
AIME 2025
—
—
MATH-500
—
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
60.9
—
AA-LCR v1.1
79.3
—
CritPt
29.1
—
MMMU-Pro
84.7
—
IFBench
—
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
—
Terminal-Bench 2.1
89.1
—
Aider Polyglot
—
—
Terminal-Bench 3
42.7
—
BigCodeBench
—
—
SciCode
56.4
—
CursorBench
70.0
66.7
SWE-Rebench
63.4
—
NL2Repo-Bench
—
—
DeepSWE
73.7
—
WebDev Arena
1,687
—
Terminal-Bench 4.0
51.8
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,493
—
| Metric | Claude Opus 5 | Cursor Grok 4.5 | Delta |
|---|---|---|---|
| Identity | |||
| Organization | Anthropic | Cursor | — |
| Family | Claude Opus | Grok | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | Jul 24, 2026 | Jul 9, 2026 | — |
| Knowledge cutoff | - | - | — |
| API / provider | Anthropic | Cursor | — |
| Modalities | text, image → text | text, image → text | — |
| Specs | |||
| Context window | 1M | 500K | A +500K |
| Max output | 128K | 128K | tie |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $5 | $2 | B +$3 |
| Output $/1M | $25 | $6 | B +$19 |
| Blended $/1M (3∶1) | $10 | $3 | B +$7 |
| Speed | |||
| tok/s | 72 | 95 | B +23 |
| TTFT (s) | 0.55 | 0.4 | B +0.15 |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | 93.2 | — | — |
| Humanity's Last Exam | 54.9 | — | — |
| AIME 2025 | — | — | — |
| MATH-500 | — | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | 60.9 | — | — |
| AA-LCR v1.1 | 79.3 | — | — |
| CritPt | 29.1 | — | — |
| MMMU-Pro | 84.7 | — | — |
| IFBench | — | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | 89.1 | — | — |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | 42.7 | — | — |
| BigCodeBench | — | — | — |
| SciCode | 56.4 | — | — |
| CursorBench | 70.0 | 66.7 | A +3.3 pts |
| SWE-Rebench | 63.4 | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | 73.7 | — | — |
| WebDev Arena | 1,687 | — | — |
| Terminal-Bench 4.0 | 51.8 | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,493 | — | — |
Claude Opus 5
- Context
- 1M / 128K out
- Parameters
- —
- Price
- $5 / $25
- Speed
- 72 tok/s · 0.55s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Anthropic's July 2026 flagship - top Artificial Analysis Intelligence Index and strong agentic coding at Opus 4.8 pricing.
Cursor Grok 4.5
- Context
- 500K / 128K out
- Parameters
- —
- Price
- $2 / $6
- Speed
- 95 tok/s · 0.4s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Cursor's flagship - jointly trained with SpaceXAI on Cursor agent data; effort levels (low/medium/high) for hard long-running work. Distinct from the public xAI Grok 4.5 API SKU.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.