Skip to content

GPT-5.2-Codex vs Qwen3.8 Max Prime

GPT-5.2-Codex

OpenAI

91#19
vs
Qwen3.8 Max Prime

Alibaba

40#217
Signal-by-Signal Comparison
SignalGPT-5.2-CodexDeltaQwen3.8 Max Prime
Capabilities
100
+17
83
Benchmarks
88
+88
0
Pricing
86
-2
88
Context window size
89
-6
95
Recency
79
-21
100
Output Capacity
82
0
82
Overall Result
2 wins
of 6
4 wins
Qwen3.8 Max Prime wins 4 of 6 signals

Score History

Score History (38 data points)
GPT-5.2-CodexQwen3.8 Max Prime
GPT-5.2-Codex

90.5

current score

Leader

GPT-5.2-Codex

right now

Qwen3.8 Max Prime

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-5.2-Codex

OpenAI

Best Value
Per request$0.008750
Daily$29.17
Monthly$875.00
Annual$10500.00

Qwen3.8 Max Prime

Alibaba

Per request$0.010000
Daily$33.33
Monthly$1000.00
Annual$12000.00

GPT-5.2-Codex saves you $125.00/month

That's $1500.00/year compared to Qwen3.8 Max Prime at your current usage level of 100K calls/month.

12% cheaper
Choose GPT-5.2-Codex for cost optimization

GPT-5.2-Codex pricing:
Input:$1.75/M tokens
Output:$14.00/M tokens
Qwen3.8 Max Prime pricing:
Input:$4.00/M tokens
Output:$12.00/M tokens
Winner
GPT-5.2-Codex

OpenAI

91

Composite Score

Qwen3.8 Max Prime

Alibaba

40

Composite Score

Signal-by-Signal Comparison
MetricGPT-5.2-CodexQwen3.8 Max PrimeWinner
Overall Score
91
40
GPT-5.2-Codex
Rank#19#217
GPT-5.2-Codex
Quality Rank#19#217
GPT-5.2-Codex
Adoption Rank#19#217
GPT-5.2-Codex
Parameters------
Context Window400K1000K
Qwen3.8 Max Prime
Pricing$1.75/$14.00/M$4.00/$12.00/M--
Signal Scores
Capabilities
100
83
GPT-5.2-Codex
Benchmarks
88
--
GPT-5.2-Codex
Pricing
86
88
Qwen3.8 Max Prime
Context window size
89
95
Qwen3.8 Max Prime
Recency
79
100
Qwen3.8 Max Prime
Output Capacity
82
82
Qwen3.8 Max Prime
Benchmark Head-to-Head(11 benchmarks)
GPT-5.2-Codex: 0Qwen3.8 Max: 0
GPT-5.2-Codex
Qwen3.8 Max
Normalized 0-100%
MMLU
93%-
MMLU-Pro
84.5%-
GPQA Diamond
85%-
MATH-500
92.5%-
HumanEval
96.5%-
SWE-bench Verified
75%-
IFEval
92%-
BBH
90.5%-
Arena Elo
1465-
LiveBench
76%-
HLE
35%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-5.2-CodexElite Tier

Scores 91/100 (rank #19), placing it in the top 94% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Qwen3.8 Max PrimeEntry Level

Scores 40/100 (rank #217), placing it in the top 26% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.2-Codex has a 51-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose GPT-5.2-Codex when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose Qwen3.8 Max Prime when you need:

  • Processing long documents or large codebases (1000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-5.2-CodexBest Value
Input cost$1.75/M tokens
Output cost$14.00/M tokens
Cost per quality point$0.174
Est. monthly (1M tokens/day)$236.25
Qwen3.8 Max Prime
Input cost$4.00/M tokens
Output cost$12.00/M tokens
Cost per quality point$0.400
Est. monthly (1M tokens/day)$240.00

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
GPT-5.2-CodexFaster
Speed score0/100
Qwen3.8 Max Prime
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-5.2-Codex

Customer support chatbot

Suitable for user-facing chat with competitive response times. Qwen3.8 Max Prime also offers lower per-token costs for high-volume support

GPT-5.2-Codex

Long document analysis

Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass

Qwen3.8 Max Prime

Batch data extraction

Lower output pricing ($12.00/M) reduces costs when processing thousands of records daily

Qwen3.8 Max Prime

Creative writing & content

Higher overall composite score (91/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.2-Codex

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-5.2-Codex
Which Should You Choose?
Our recommendation:
GPT-5.2-Codex

GPT-5.2-Codex clearly outperforms Qwen3.8 Max Prime with a significant 50.5-point lead. For most general use cases, GPT-5.2-Codex is the stronger choice. However, Qwen3.8 Max Prime may still excel in niche scenarios.

GPT-5.2-Codex
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 2% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Alibaba

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-5.2-CodexQwen3.8 Max Prime
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-5.2-Codex

OpenAI

Best Value
$19.95
estimated monthly cost

Qwen3.8 Max Prime

Alibaba

$21.60
estimated monthly cost

GPT-5.2-Codex saves you $1.65/month

That's 8% cheaper than Qwen3.8 Max Prime at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-5.2-CodexQwen3.8 Max Prime
Context Window400K1M
Max Output Tokens128,000131,072
Open SourceNoNo
CreatedJan 14, 2026Sep 23, 2026
Last updated: 35m ago

Related comparisons

GPT-5.2-Codex vs Qwen3.8 Max Prime (2026) | LM Market Cap