Cost per coding-agent request

Is GLM 5.2 or Grok 4.3 cheaper for coding agents?

For coding agents, Grok 4.3 costs 1.2x as much as GLM 5.2 per request ($0.068 vs $0.057 on our measured traffic), because Grok 4.3 lists at $1.25 input, $0.20 cached input and $2.50 output per million tokens against $1.40, $0.26 and $4.40 for GLM 5.2, and Grok 4.3 charges more for prompts 200K tokens or more.

List prices: Z.AI pricing, xAI models and pricing, checked 2026-10-13. Request costs: Standard Compute gateway data, 79,301 coding-agent requests from 75 users, Sep 13 to Oct 12, 2026. How we compute this

Run any of these models in your agent

Or let the router send each step to the cheapest model that can do it, on providers we vet for price, uptime and speed. Plans from $19 a month.

See plans

Cost per coding-agent request, side by side

Cost at list priceGLM 5.2Grok 4.3
Prompt under 100K tokens50% of requests, 87% of input cached$0.026$0.021
Prompt of 100K to 272K39% of requests, 88% of input cached$0.070$0.077
Prompt over 272K tokens11% of requests, 86% of input cached$0.16$0.26
Average request$0.057$0.068
100 requests$5.72$6.84
Median session16 requests; a session ends after 10 idle minutes$0.71$0.61
A month of regular usemedian of 20 users active on 5+ days$92.16$103

Each logged request priced at the vendor’s list rates for its own token counts, including cache reads and any higher rate for long prompts. Average output: 698 tokens per request.

Benchmarks, speed and latency, side by side

Artificial AnalysisGLM 5.2Grok 4.3
Intelligence Index10 evaluations, 0 to 1003425
Terminal-Bench 4.0agentic coding in a terminal1.0%0.0%
Output speedmedian83 tokens/s113 tokens/s
Time to first answer tokenincludes thinking time27 s25 s

Source: Artificial Analysis (artificialanalysis.ai). Measured variants: GLM-5.2 (Max), speed on Z AI; Grok 4.3 (High), speed on SpaceXAI. Fetched October 13, 2026. Artificial Analysis runs Terminal-Bench 4.0 in its own setup, so its scores differ from the tbench.ai leaderboard.

What to watch for

The gap widens on long prompts: under 100K tokens Grok 4.3 costs 1.3x as much per request, over 272K 1.6x. GLM 5.2 is superseded: GLM 5.3 costs $0.057 per request. Grok 4.3 is superseded: Grok 4.7 costs $0.13 per request.

FAQ

Is GLM 5.2 cheaper than Grok 4.3 for coding agents?
Yes, at list prices. 100 average coding-agent requests cost $5.72 on GLM 5.2 and $6.84 on Grok 4.3. A median 16-request session costs $0.71 vs $0.61. Measured on 79,301 real coding-agent requests (Sep 13 to Oct 12, 2026).
How much does a month of Grok 4.3 vs GLM 5.2 cost?
For the median regular user in our data (1,478 requests in 30 days), about $103 on Grok 4.3 and $92.16 on GLM 5.2 at list price. Heavier users pay proportionally more.
GLM 5.2 vs Grok 4.3: which is better for agents?
GLM 5.2 scores higher on output quality (6.9/10 vs 5.7/10), while Grok 4.3 is the cheaper option. GLM 5.2 is best for existing GLM 5.2 setups until they move to GLM 5.3; Grok 4.3 is best for simple, long-context calls in existing Grok setups. Live community votes on this page show what people actually prefer.
Can I switch between GLM 5.2 and Grok 4.3 in the same agent?
Yes. Model-agnostic agents (Cline, Aider, OpenClaw, Hermes Agent, Kilo Code, OpenCode) let you swap models per task. Many people route hard tasks to the stronger model and routine work to the cheaper one.

Community vote

Pick a winner in each dimension. You can change your vote any time.

Output Quality

Correctness and depth of what it produces

Agentic Ability

Tool calls, instruction-following, and multi-step tasks

Speed

Tokens per second and time-to-first-token

Value for Money

How much capability you get per dollar

Reliability

Consistent results: fewer refusals, loops and format breaks

Related comparisons

Setting it up? GLM 5.2: model ID, providers and agent config · Grok 4.3: model ID, providers and agent config

The agent matters as much as the model. Compare AI agents →

Every model on this page runs on Standard Compute

Standard Compute

Current frontier models Claude Fable 5.1 · GPT-6 Astra

More intelligence
per dollar.

Each step goes to the cheapest model that can do it, on providers we vet for price, uptime and speed, with automatic fallback when one fails.

Compliance
Opt-in rules keep a company, team or key on European or US providers
Privacy
We don’t train on your prompts or store them

Fixed monthly plans from $19 · cancel anytime

7-day fair refund Free trial, no card Billing by Stripe4,100+ agent users