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GPT-3.5 Turbo (older v0613) vs Claude Sonnet 5
2026 Stored listed rates & illustrative token-cost comparison
Claude Sonnet 5
Legacy / Superseded
Legacy / superseded version. Newer models are available; official or partner channels may still serve this version.
Illustrative Listed-Rate Difference
GPT-3.5 Turbo (older v0613) about 65% lower
1M input + 200K output tokens; not a monthly bill
📌 Executive Summary (TL;DR):Under a standard baseline of 1M input + 200K output tokens, GPT-3.5 Turbo (older v0613) lists approximately 65% lower than Claude Sonnet 5. For high-throughput production workloads, GPT-3.5 Turbo (older v0613) delivers superior unit economics; model your specific monthly workload below before migrating.
💡 10M Monthly Token Workload Simulation
Simulating a production workload (10M input + 2M output tokens): GPT-3.5 Turbo (older v0613) listed rate totals ~$14.00, while Claude Sonnet 5 totals ~$40.00. Switching to GPT-3.5 Turbo (older v0613) yields ~$26.00/mo in raw token savings.
Metric
GPT-3.5 Turbo (older v0613) (openrouter)
Claude Sonnet 5 (Anthropic)
Input listed rate
$1.00 / 1M Tokens
$2.00 / 1M Tokens
Output listed rate
$2.00 / 1M Tokens
$10.00 / 1M Tokens
Cached Input rate
—
$0.20 / 1M Tokens
Context Window
4K Tokens
1000K Tokens
Modality
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