{"record":{"id":"6c393b84c1d6ba04","repo":"xtekky/gpt4free","slug":"the-qwen-provider-reached-the-request-limit-after","errorCode":null,"errorMessage":"The Qwen provider reached the request limit after 5 attempts.","messagePattern":"The Qwen provider reached the request limit after 5 attempts\\.","errorType":"exception","errorClass":"RateLimitError","httpStatus":null,"severity":"error","filePath":"g4f/Provider/Qwen.py","lineNumber":727,"sourceCode":"                            yield Usage.from_dict(usage)\r\n                        return\r\n\r\n                except (aiohttp.ClientResponseError, RuntimeError) as e:\r\n                    is_rate_limit = (\r\n                        isinstance(e, aiohttp.ClientResponseError) and e.status == 429\r\n                    ) or (\"RateLimited\" in str(e))\r\n                    if is_rate_limit:\r\n                        debug.log(\r\n                            f\"[Qwen] WARNING: Rate limit detected (attempt {attempt + 1}/5). Invalidating current midtoken.\"\r\n                        )\r\n                        cls._midtoken = None\r\n                        cls._midtoken_uses = 0\r\n                        conversation = None\r\n                        await asyncio.sleep(2)\r\n                        continue\r\n                    else:\r\n                        raise e\r\n            raise RateLimitError(\r\n                \"The Qwen provider reached the request limit after 5 attempts.\"\r\n            )\r\n        raise RateLimitError(\"The Qwen provider reached the limit Cloudflare.\")\r\n","sourceCodeStart":709,"sourceCodeEnd":731,"githubUrl":"https://github.com/xtekky/gpt4free/blob/973504e1770928ed5fb82f43da528f441ad9ddc3/g4f/Provider/Qwen.py#L709-L731","documentation":"Raised as RateLimitError when Qwen's internal retry loop (5 attempts, 2s sleeps, midtoken invalidation each time) still encounters rate-limit failures — every attempt was a 429 ClientResponseError or a RuntimeError containing 'RateLimited'. The provider gives up rather than loop forever; only ~10s of backoff has elapsed, so the underlying limit is still in force.","triggerScenarios":"Sustained 429s from chat.qwen.ai: free-tier hourly/daily quota exhausted, IP-based throttling, or bursts of requests from one cookie identity across all 5 attempts.","commonSituations":"Bots hammering Qwen anonymously; quota already spent before this call; shared/datacenter IP throttled; retrying immediately after this error without waiting, re-entering the same loop.","solutions":["Wait minutes-to-hours before retrying (quota windows), not seconds — the 5x2s internal backoff is far too short for hard limits.","Change egress IP / rotate proxy so the IP-based component resets.","Reduce request frequency and concurrency to stay under the free tier.","Update g4f; retry cadence and identity handling are tuned upstream."],"exampleFix":"# before\nfor i in range(100):\n    r = await Qwen.create_async_generator(model, msgs[i])\n\n# after\nfrom g4f.errors import RateLimitError\nfor i in range(100):\n    while True:\n        try:\n            r = await Qwen.create_async_generator(model, msgs[i])\n            break\n        except RateLimitError:\n            await asyncio.sleep(600)  # wait out the quota window","handlingStrategy":"retry","validationCode":null,"typeGuard":"def is_qwen_rate_limit(exc: Exception) -> bool:\n    from g4f.errors import RateLimitError\n    return isinstance(exc, RateLimitError) and 'request limit after 5 attempts' in str(exc)","tryCatchPattern":"from g4f.errors import RateLimitError\ntry:\n    r = await Qwen.create_async_generator(model, msgs)\nexcept RateLimitError as e:\n    if 'after 5 attempts' in str(e):\n        await asyncio.sleep(600)  # quota window, not 2s\n        r = await Qwen.create_async_generator(model, msgs)\n    else:\n        raise","preventionTips":["Wait minutes-to-hours after this error; internal 5x2s backoff is insufficient","Rotate proxy IP to reset IP-based throttling","Throttle your own request rate below the free tier","Don't retry in a tight loop — you re-exhaust all 5 attempts instantly"],"tags":["qwen","rate-limit","retry-exhausted","quota","backoff"],"backgroundTag":null,"analyzedSha":"973504e1770928ed5fb82f43da528f441ad9ddc3","analyzedAt":"2026-08-14T23:45:32.408Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}