API cost decision in 10 seconds

Claude Opus 4.6 (Fast) vs Voxtral Small 24B 2507

Pick Voxtral Small 24B 2507 for lower cost; pick Claude Opus 4.6 (Fast) only if the larger context window matters more.

Page updated: 2026-05-26T10:03:26Z Data confirmed: 2026-05-26T12:43:06Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Voxtral Small 24B 2507 for lower cost; pick Claude Opus 4.6 (Fast) only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Voxtral Small 24B 2507 is estimated at $0.25 vs $105 for Claude Opus 4.6 (Fast), saving $104.75 (99.8% lower).

Cost-first pickVoxtral Small 24B 2507

Context-first pickClaude Opus 4.6 (Fast)

Sample savings$104.7599.8%

10x traffic gap$1047.5

Claude Opus 4.6 (Fast) has more context, but Voxtral Small 24B 2507 saves $104.75 on the standard workload. At 10x that traffic, the same price gap is about $1047.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Voxtral Small 24B 2507 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Claude Opus 4.6 (Fast)	Voxtral Small 24B 2507
Input-heavy / RAG	5M input + 500K output	Voxtral Small 24B 2507	$225	$0.65
Balanced workload	1M input + 1M output	Voxtral Small 24B 2507	$180	$0.4
Output-heavy chatbot	1M input + 5M output	Voxtral Small 24B 2507	$780	$1.6

Cheaper input Voxtral Small 24B 2507 $30 vs $0.1 / 1M

Voxtral Small 24B 2507 is $29.9 cheaper per 1M input tokens (99.7% lower; 300x difference).

Cheaper output Voxtral Small 24B 2507 $150 vs $0.3 / 1M

Voxtral Small 24B 2507 is $149.7 cheaper per 1M output tokens (99.8% lower; 500x difference).

Larger context Claude Opus 4.6 (Fast) 1M vs 32K

Claude Opus 4.6 (Fast) has 968K more context (31.2x larger).

Sample workload Voxtral Small 24B 2507 $105 vs $0.25

Voxtral Small 24B 2507 is $104.75 cheaper on the standard workload (99.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Claude Opus 4.6 (Fast) Calculating… Estimated API cost

Voxtral Small 24B 2507 Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Voxtral Small 24B 2507 has the lower input price; Voxtral Small 24B 2507 has the lower output price; Claude Opus 4.6 (Fast) offers the larger context window. For the 1M input plus 500K output sample, Voxtral Small 24B 2507 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $105 for Claude Opus 4.6 (Fast) and $0.25 for Voxtral Small 24B 2507.

Best Fit

Choose Claude Opus 4.6 (Fast) when you care most about larger context window.

Choose Voxtral Small 24B 2507 when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Voxtral Small 24B 2507 is estimated at $0.25 vs $105 for Claude Opus 4.6 (Fast), saving $104.75 (99.8% lower).
Voxtral Small 24B 2507 is $104.75 cheaper on the standard workload (99.8% lower).
Voxtral Small 24B 2507 is $29.9 cheaper per 1M input tokens (99.7% lower; 300x difference).
Voxtral Small 24B 2507 is $149.7 cheaper per 1M output tokens (99.8% lower; 500x difference).
Claude Opus 4.6 (Fast) has 968K more context (31.2x larger).

Head-to-Head Specs

Feature	Claude Opus 4.6 (Fast) (Anthropic)	Voxtral Small 24B 2507 (Mistral)
Input Price prompt tokens per 1M	$30	$0.1
Completion Price per 1M tokens	$150	$0.3
Sample Workload Cost 1M input + 500K output	$105	$0.25
Context Window	1M	32K
Release Date	2026-04-07	2025-10-30

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Voxtral Small 24B 2507	On the standard 1M input plus 500K output workload, Voxtral Small 24B 2507 is estimated at $0.25 vs $105 for Claude Opus 4.6 (Fast), saving $104.75 (99.8% lower).
High-volume input processing	Voxtral Small 24B 2507	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Voxtral Small 24B 2507	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Claude Opus 4.6 (Fast)	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Claude 3 Haiku can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $0.88.
Claude 3.5 Haiku can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $2.8.
Anthropic Claude Haiku Latest can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $3.5.
Claude Haiku 4.5 can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $3.5.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
GPT-5.5 offers 1.05M context with $20 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Anthropic catalog

Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.

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Mistral catalog

Check other Mistral models with comparable pricing, context, or release timing.

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Claude Opus 4.6 (Fast)

Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

Voxtral Small 24B 2507

Voxtral Small is an enhancement of Mistral Small 3, incorporating state-of-the-art audio input capabilities while retaining best-in-class text performance. It excels at speech transcription, translation and audio understanding. Input audio...