vs
4:9
overall capability wins (0 ties across 13 scored). o1 leads overall.
- Reasoning1:6
- Coding1:2
- Arena1:0
- Pricing3:0
- Speed2:0
- Specs1:1
Verdict
o1 leads coding (widest gap: +22.2 on LiveCode); GPT-4.1 ranks higher on LMArena (+12 Elo); GPT-4.1 offers ~5.0x larger context (1M vs 200K).
- o1 leads coding (widest gap: +22.2 on LiveCode)
- GPT-4.1 ranks higher on LMArena (+12 Elo)
- GPT-4.1 offers ~5.0x larger context (1M vs 200K)
- o1 allows ~3.1x more max output (100K vs 33K)
- GPT-4.1 is ~7.5x cheaper on a blended token basis than o1
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- GPT-4.1
- $4
- o1
- $30
GPT-4.1 is about 7.5x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
OpenAI
OpenAI
Family
GPT-4 / o-series
GPT-4 / o-series
License
Proprietary
Proprietary
Open weights
No
No
Release
Apr 14, 2025
Dec 5, 2024
Knowledge cutoff
2024-06
-
API / provider
OpenAI
OpenAI
Modalities
text, image → text
text, image → text
Specs
Context window
1M
200K
Max output
33K
100K
Parameters
—
—
Pricing
Input $/1M
$2
$15
Output $/1M
$8
$60
Blended $/1M (3∶1)
$3.50
$26.25
Speed
tok/s
95
35
TTFT (s)
0.35
3
Reasoning
MMLU-Pro
80.6
84.1
GPQA Diamond
66.6
74.7
Humanity's Last Exam
4.2
7.0
AIME 2025
46.4
—
MATH-500
91.3
97.0
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
27.8
34.5
AA-LCR v1.1
68.3
65.0
CritPt
—
0.3
MMMU-Pro
61.2
—
IFBench
43.0
70.3
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
39.6
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
45.7
67.9
Terminal-Bench 2.1
—
—
Aider Polyglot
52.4
61.7
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
38.1
35.8
CursorBench
—
—
SWE-Rebench
30.1
—
NL2Repo-Bench
—
—
DeepSWE
—
—
WebDev Arena
—
—
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,415
1,402
| Metric | GPT-4.1 | o1 | Delta |
|---|---|---|---|
| Identity | |||
| Organization | OpenAI | OpenAI | — |
| Family | GPT-4 / o-series | GPT-4 / o-series | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | Apr 14, 2025 | Dec 5, 2024 | — |
| Knowledge cutoff | 2024-06 | - | — |
| API / provider | OpenAI | OpenAI | — |
| Modalities | text, image → text | text, image → text | — |
| Specs | |||
| Context window | 1M | 200K | A +800K |
| Max output | 33K | 100K | B +67K |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $2 | $15 | A +$13 |
| Output $/1M | $8 | $60 | A +$52 |
| Blended $/1M (3∶1) | $3.50 | $26.25 | A +$22.75 |
| Speed | |||
| tok/s | 95 | 35 | A +60 |
| TTFT (s) | 0.35 | 3 | A +2.65 |
| Reasoning | |||
| MMLU-Pro | 80.6 | 84.1 | B +3.5 pts |
| GPQA Diamond | 66.6 | 74.7 | B +8.1 pts |
| Humanity's Last Exam | 4.2 | 7.0 | B +2.8 pts |
| AIME 2025 | 46.4 | — | — |
| MATH-500 | 91.3 | 97.0 | B +5.7 pts |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | 27.8 | 34.5 | B +6.7 pts |
| AA-LCR v1.1 | 68.3 | 65.0 | A +3.3 pts |
| CritPt | — | 0.3 | — |
| MMMU-Pro | 61.2 | — | — |
| IFBench | 43.0 | 70.3 | B +27.3 pts |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | 39.6 | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | 45.7 | 67.9 | B +22.2 pts |
| Terminal-Bench 2.1 | — | — | — |
| Aider Polyglot | 52.4 | 61.7 | B +9.3 pts |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | 38.1 | 35.8 | A +2.3 pts |
| CursorBench | — | — | — |
| SWE-Rebench | 30.1 | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | — | — |
| WebDev Arena | — | — | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,415 | 1,402 | A +12 Elo |
GPT-4.1
- Context
- 1M / 33K out
- Parameters
- —
- Price
- $2 / $8
- Speed
- 95 tok/s · 0.35s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Previous-gen OpenAI instruction model with 1M context; still useful for long-document workloads.
o1
- Context
- 200K / 100K out
- Parameters
- —
- Price
- $15 / $60
- Speed
- 35 tok/s · 3s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Original o-series reasoning model - legacy deep reasoning SKU retained for API compatibility.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.