GLM 5.2 is ranking the highest on cost per session

and everyone is raving about this model

which means if cost/session is high it might actually be a sign that the model is useful

Jun 30, 2026 · 5:37 AM UTC

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Replying to @opencode
@opencode Why don't you compare with Claude, GPT 5.5?
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Replying to @opencode
@opencode I was spending like $100 per session on fable
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Replying to @opencode
@opencode Why is it so expensive on opencode?
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Replying to @opencode
@opencode not for botsbench.com investigation tasks. some fun lessons in this one picture.
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Replying to @opencode
@opencode yeah. cost per session alone is tricky. if people keep paying the higher session cost, that is usually a quality signal.
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Replying to @opencode
@opencode I don't get why cost/session means the model is good
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Replying to @opencode
@opencode this is quite an interesting insight.

I was actually planning to put this model on test against other models like Minimax M3, Deepseek v4 and you just published this one, so it is actually better.

do you also think that changing the harness also changes this stats quite a bit?
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Replying to @opencode
@opencode That’s great
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Replying to @opencode
@opencode yeah, it's great, but it eats the monthly quota in a day of coding.
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Replying to @opencode
@opencode Well, we all know there's a trade-off between cost and performance. If a model is Pareto optimal, the most expensive option will always perform the best.
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Replying to @opencode
@opencode it's the best model rn kek
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Replying to @opencode
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Replying to @opencode
@opencode 2 prompts to exhaust my opencode Go weekly quota
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Replying to @opencode
@opencode Mostly I just switch between GLM 5.2 and MiniMax-M3 in my session. Definitely GLM is working great, to be frank, I don’t use OpenAI and Anthropic, just use Opencode Go and Openrouter for my side projects.
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Replying to @opencode
@opencode That's exactly why we build compression tools, to make using these models more accesible and cheaper.
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Replying to @opencode
@opencode So how should we interpret this, GLM 5.2 is "sooo expensive" or it is finally model that let you do serious work? This graph is not an answer but start of the question
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Replying to @opencode
@opencode It's the first time I'm flying through my monthly limits 😭
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Replying to @opencode
@opencode unpopular opinion but the model is quite expensive and overall pretty bad. Literally DeepSeek-V4-Flash (yes flash, not pro) performs better for my use case and on simpler prompts is even better than glm 5.2 at a fraction of cost. glm 5.2 is SUPER overhyped. crazy.
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Replying to @opencode
@opencode @thdxr Burned through my usage limits on GO pretty easily with #GLM5
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Replying to @opencode
@opencode Open source costs also climbing up. Looks like both Claude and OpenAI would be doing a rate hike soon.
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Replying to @opencode
@opencode this is the most backwards useful metric i’ve ever heard and i’m obsessed, any edge cases where high cost per session was just a cash grab?
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Replying to @opencode
@opencode it's a great planner and reviewer subagent but too expensive

can't believe i'm saying this but yea defo not cheaper than its peers

best to pair it with cheaper subagents to run tools on its behalf

also best when orchestrated from a cheaper primary agent
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Replying to @opencode
@opencode cost per session is really measuring verbosity × price. GLM 5.2 at $2.31/session might just pad its reasoning. a terse model that's right in 500 tokens doesn't score here — not because it's worse.
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Replying to @opencode
@opencode DSpark on my DeepSeek V4s when?
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Replying to @opencode
@opencode So can we get 3x usage please
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Replying to @opencode
@opencode I'll give it a try to audit my codebase in a couple days when my old subscription is done. I still use 5.1 daily. Curious to see what 5.2 can come up with!
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Replying to @opencode
@opencode Yes, but
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Replying to @opencode
@opencode Most useful model ever.
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Replying to @opencode
@opencode Idk why I love MiniMax M3 Coder’! It feels like Opus 4.8 in my opinion. My codex reviewers come back with as many bugs as opus. So honestly 🤷‍♂️.

Maybe I also do simple builds. Websites, small apps, web apps.
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Replying to @opencode
@opencode Fix Opencode Go plz! It often goes rogue reading 1 file repeatedly, exhausting credit.

I've used GLM-5.2 from other providers, no such issue.
I've used Opencode with other models, no such issue.
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Replying to @opencode
@opencode It's more expensive than those other Chinese models. But it's cheaper than similarily smart American ones. When wants to spend more to solve a difficult task, GLM 5.2 can save money as compared to utilizing ChatGPT or Claude. What's your point exactly?
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Replying to @opencode
@opencodel@thdxrp with what I see daily, but worth adding the other end of this chart.
I run the free DeepSeek tier through OpenCode for anything simple. Installing a package, basic Linux config, quick file ops. No friction, no errors, does the job exactly as asked. Costs me nothing.
The interesting part is not that GLM 5.2 commands a premium for harder sessions. It is that DeepSeek free tier now handles tasks that would have needed a paid frontier model eight months ago.
The whole stack moved up. The bar for what counts as "simple enough for free" just keeps rising.
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Replying to @opencode
@opencode I personally spent 50 bux to try it, was rather impressed with the results.
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Replying to @opencode
@opencode The DS4 Flash is all I can afford.
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