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Is Claude Sonnet 5 a cost-effective API model for your workload?

At the listed base rate, claude-sonnet-5 is $2 per 1M input tokens and $10 per 1M output tokens. That is lower than the listed Sonnet 4.5 rate, equal to GPT-5 on output pricing, and only useful as a budget choice if its context and output profile fit the job. Your final charge is the base rate multiplied by the group multiplier assigned to your account.

How much does claude-sonnet-5 cost per million tokens?

claude-sonnet-5 has a listed base price of $2 per 1M input tokens, $10 per 1M output tokens, and $0.20 per 1M cache-hit tokens. These are base prices rather than the final amount charged to every account. Final price equals base price multiplied by the account’s assigned group multiplier.

Selected text and chat model price table, in USD per 1M tokens: claude-sonnet-5 — input $2, output $10, cache hit $0.20; claude-sonnet-4-5-20250929 — input $3, output $15, cache hit $0.30; claude-haiku-4-5-20251001 — input $1, output $5, cache hit $0.10; claude-opus-4-8 — input $5, output $25, cache hit $0.50; gpt-5 — input $1.25, output $10, cache hit $0.125; gpt-4o — input $2.50, output $10, cache hit $1.25; gpt-5.2 — input $1.75, output $14, cache hit $0.175; gemini-3-pro-preview — input $2, output $12, cache hit $0.20.

For a direct OpenAI price comparison, claude-sonnet-5 has the same listed output rate as gpt-5 and gpt-4o, a lower listed output rate than gpt-5.2, and a higher listed rate than gpt-5-mini or gpt-4o-mini. Input and output need to be evaluated separately because a workload that produces long answers can have a very different cost profile from one that mostly sends documents.

What would Claude Sonnet 5 cost per month for a typical workload?

For 10M input tokens and 2M output tokens in a month, the claude-sonnet-5 base cost is $40. The calculation is 10 × $2 for input, plus 2 × $10 for output: $20 + $20 = $40.

Under the default group multiplier of ×0.07353, that same example is $2.9412: $40 × 0.07353. Under Claude-1 at ×0.29412, it is $11.7648. Under AWS-Claude-3 at ×1, it remains $40. Under Anthropic-Claude-1 at ×1.17647, it becomes $47.0588. The multiplier can therefore matter more than a small difference in base model rates.

Using the same 10M-input and 2M-output example before multipliers, claude-sonnet-4-5-20250929 costs $60, gpt-5 costs $32.50, gpt-4o costs $45, and gemini-3-pro-preview costs $44. This is a token-volume illustration, not a prediction of production usage. Measure your actual input-to-output ratio before treating any monthly estimate as a budget.

Is Claude Sonnet 5 cheaper than OpenAI models for coding and agent work?

There is no single yes-or-no answer. claude-sonnet-5 is cheaper than some listed OpenAI models on output, including gpt-5.2, gpt-5.4, and gpt-5.5, while it is more expensive than gpt-5-mini, gpt-5-nano, gpt-4.1-mini, and gpt-4o-mini on both listed input and output rates.

Cost alone does not establish that two models are interchangeable. claude-sonnet-5 is described with a default and maximum context window of 1M tokens and a maximum output token limit of 128k. The provided pricing data does not include equivalent context or output-limit information for every model in the price table, so a complete capacity comparison is Not yet measured.

Speed is also not a pricing field. No latency, throughput, availability, rate-limit, or SLA figures are provided here, so they are Not yet measured. If your application has an interactive response-time requirement or has encountered a rate-limit error, validate that behavior with your own workload rather than inferring it from token price.

How can I reduce Claude Sonnet 5 token costs?

First, use cache hits for repeated context where your request pattern supports it. The listed cache-hit rate for claude-sonnet-5 is $0.20 per 1M tokens, compared with $2 per 1M standard input tokens. For a monthly workload with 4M standard input tokens, 6M cache-hit tokens, and 2M output tokens, the base calculation is 4 × $2 + 6 × $0.20 + 2 × $10 = $29.

Second, select the model based on the actual task tier instead of routing every request to the same model. The listed claude-haiku-4-5-20251001 rate is $1 input and $5 output per 1M tokens, while claude-sonnet-5 is $2 and $10. The available model description characterizes Haiku 4.5 as fast and cost-effective for coding, computer use, and Agent tasks; test it on your acceptance cases before changing production routing.

Third, batch work at the application level when requests share instructions, source material, or a review cycle. Combining duplicate context can reduce repeated input tokens, but this pricing data does not state a separate batch discount for claude-sonnet-5. Treat batching as a way to eliminate redundant tokens, not as an assumed lower per-token rate.

When can Claude Sonnet 5 pricing change, and where should I verify it?

Prices and group multipliers should be treated as time-sensitive configuration, not permanent documentation. The figures on this page came from the panel pricing endpoint at https://api.openlux.ai/api/pricing and were retrieved on August 4, 2026 at 16:16:08 UTC.

Verify the current base price and your applicable group multiplier in the pricing endpoint before approving a budget or changing routing rules. The endpoint lists 452 models in total; the supplied source table covers the 150 highest-call-volume models and does not establish that only those models are available.

For claude-sonnet-5, check all three token categories: standard input, output, and cache hits. Then apply the multiplier for the group actually assigned to your account. A base-rate comparison without that last step can materially understate or overstate the amount you will be charged.

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Last updated 2026-08-05　|　Written and maintained by OpenLux.
Latency and pricing figures come from our own measurements. Where they differ from the vendor's site, the vendor's live page wins.