Polarison

Claude Haiku 4.5 vs Gemini 4 Argon: pricing and benchmarks

Claude Haiku 4.5 is 50% cheaper on input tokens ($1.00 vs $2.00 per 1M). Claude Haiku 4.5 is 50% cheaper on output tokens ($5.00 vs $10.00 per 1M). On our document Q&A workload (50,000 questions a month), Claude Haiku 4.5 costs $550.00 a month versus $1,100 for Gemini 4 Argon, 50% less. Gemini 4 Argon scores 164.6 on the Epoch Capabilities Index vs 142.4 for Claude Haiku 4.5.

Prices verified October 17, 2026.

Which should you choose?

Overall capability
Gemini 4 Argon

Gemini 4 Argon scores 164.6 on the Epoch Capabilities Index vs 142.4 for Claude Haiku 4.5.

Price
Claude Haiku 4.5

Claude Haiku 4.5 costs $2.00 per 1M tokens (3:1 input-to-output mix) vs $4.00 for Gemini 4 Argon, 50% less.

Best value
Too close to call

A trade-off: Gemini 4 Argon is 22.2 ECI points more capable but costs 2.0x as much as Claude Haiku 4.5.

Pricing and specs

Claude Haiku 4.5Gemini 4 Argon
ProviderAnthropicGoogle
API model IDclaude-haiku-4-5-20251001gemini-4-argon
Input / 1M tokens$1.00$2.00
Cached input / 1M tokens$0.10$0.10
Output / 1M tokens$5.00$10.00
Long-context rates——
Context window200K tokens1.05M tokens
Max output64K tokens66K tokens
Batch discount50% off50% off

Benchmarks

Claude Haiku 4.5Gemini 4 Argon
Epoch Capabilities Index142.4164.6
GPQA Diamond· Science reasoning71.2%96.4%
FrontierMath (Tiers 1–3)· Advanced math—86.0%
SimpleQA Verified· Factual accuracy13.2%76.0%
ARC-AGI-2· Abstract reasoning4.0%—
DeepSWE· Coding——
APEX-Agents· Agentic work—82.4%

Source: Epoch AI, best recorded result per model (CC BY 4.0). A dash means no published score. See all benchmarks

Monthly cost for real workloads

WorkloadClaude Haiku 4.5Gemini 4 ArgonDifference
Support chatbot
100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each.
$350.00$700.00Claude Haiku 4.5 50% cheaper
Document Q&A (RAG)
50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each.
$550.00$1,100Claude Haiku 4.5 50% cheaper
Coding agent
10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens.
$248.00$468.00Claude Haiku 4.5 47% cheaper

Estimates use standard list prices and ignore cache-write surcharges. Different tokenizers can count the same text differently, so test with your own prompts.

Claude Haiku 4.5 vs Gemini 4 Argon cost calculator

Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.

Claude Haiku 4.5 pricing notes

Anthropic’s previous-generation Haiku model, with a 200K-token context window.

  • Cache writes cost $1.25 (5-minute cache) or $2 (1-hour cache) per 1M tokens.
  • Uses Anthropic’s previous tokenizer.
Anthropic official pricing ↗

Gemini 4 Argon pricing notes

Google’s flagship reasoning model for complex coding, agents, math and science.

  • Introductory price through November 30, 2026. From December 1, 2026: $4 input, $0.20 cached, $20 output per 1M tokens.
  • Not available on the Gemini API free tier.
  • Output price includes thinking tokens.
  • Max output is 65,536 tokens by default and up to 1,048,576 with long decode.
  • Implicit caching only; explicit context caching is not supported.
  • Priority inference costs 1.8x the standard rate.
Google official pricing ↗

Frequently asked questions

Is Claude Haiku 4.5 cheaper than Gemini 4 Argon?
Claude Haiku 4.5 is 50% cheaper on input tokens ($1.00 vs $2.00 per 1M). Claude Haiku 4.5 is 50% cheaper on output tokens ($5.00 vs $10.00 per 1M). On our document Q&A workload (50,000 questions a month), Claude Haiku 4.5 costs $550.00 a month versus $1,100 for Gemini 4 Argon, 50% less.
Which is more capable, Claude Haiku 4.5 or Gemini 4 Argon?
Gemini 4 Argon scores 164.6 on the Epoch Capabilities Index vs 142.4 for Claude Haiku 4.5.
How much does Claude Haiku 4.5 cost per 1M tokens?
Claude Haiku 4.5 costs $1.00 per 1M input tokens and $5.00 per 1M output tokens, and $0.10 per 1M cached input tokens on Anthropic’s standard tier.
How much does Gemini 4 Argon cost per 1M tokens?
Gemini 4 Argon costs $2.00 per 1M input tokens and $10.00 per 1M output tokens, and $0.10 per 1M cached input tokens on Google’s standard tier.
Which has the larger context window, Claude Haiku 4.5 or Gemini 4 Argon?
Gemini 4 Argon has the larger context window: 1.05M tokens versus 200K for Claude Haiku 4.5.

Related comparisons