Claude Haiku 4.5 vs Gemini 2.0 Flash
Anthropic vs Google · Prices checked 12 August 2026
On blended cost Gemini 2.0 Flash undercuts Claude Haiku 4.5 by about 9.3×: $0.190 per million tokens versus $1.76. A single 100K-input, 10K-output job costs $0.014 on Gemini 2.0 Flash against $0.120 on Claude Haiku 4.5.
Of the 5 shared benchmarks, Gemini 2.0 Flash takes 3. The widest gap is on LMArena Elo, where Claude Haiku 4.5 leads by 10 points. 1 suite tied. On context, Gemini 2.0 Flash is the larger at 1,000,000 tokens versus 200,000.
Pricing and capacity
| Metric | Claude Haiku 4.5 | Gemini 2.0 Flash | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.800 | $0.100 | 8.0× |
| Output / 1M tokens | $4.00 | $0.400 | 10.0× |
| Blended · 70/30calculated | $1.76 | $0.190 | 9.3× |
| Blended · 50/50calculated | $2.40 | $0.250 | 9.6× |
| Blended · 80/20calculated | $1.44 | $0.160 | 9.0× |
| Blended · 20/80calculated | $3.36 | $0.340 | 9.9× |
| Job cost · 100K + 10Kcalculated | $0.120 | $0.014 | 8.6× |
| Job cost · 1M + 100Kcalculated | $1.20 | $0.140 | 8.6× |
| Context window | 200,000 | 1,000,000 | 5.0× |
Input and output rates are as published by each provider. Blended and job-cost rows are calculated comparison metrics, not published prices — how they are derived.
Benchmarks
| Benchmark | Claude Haiku 4.5 | Gemini 2.0 Flash | Leader |
|---|---|---|---|
| MMLU | 78% | 78% | Level |
| GPQA Diamond | 56% | 62% | Gemini 2.0 Flash |
| MATH | 75% | 80% | Gemini 2.0 Flash |
| HumanEval | 80% | 82% | Gemini 2.0 Flash |
| LMArena Elo | 1280 Elo | 1270 Elo | Claude Haiku 4.5 |
Only suites both models report are listed, so a missing score is never shown as a loss. Figures are provider-published or from public leaderboards and are not independently re-run.
What each model is for
Claude Haiku 4.5
Anthropic · Efficient
The fastest, cheapest current-gen Claude. Built for high-throughput classification, summarisation and routing.
- Sub-second latency
- Affordable at scale
- 200K context
- Tool calling at speed
Gemini 2.0 Flash
Google · Efficient
Previous-generation Flash, still widely deployed. Strong default for cheap multimodal traffic.
- Cheap multimodal
- 1M context
- Wide availability
Frequently asked questions
Which is cheaper, Claude Haiku 4.5 or Gemini 2.0 Flash?
On blended cost Gemini 2.0 Flash undercuts Claude Haiku 4.5 by about 9.3×: $0.190 per million tokens versus $1.76. A single 100K-input, 10K-output job costs $0.014 on Gemini 2.0 Flash against $0.120 on Claude Haiku 4.5. Blended cost weights input at 70% and output at 30%; price your own token split for an exact answer, since the cheaper model on a blended basis is not always cheaper for your workload.
Which performs better, Claude Haiku 4.5 or Gemini 2.0 Flash?
Of the 5 shared benchmarks, Gemini 2.0 Flash takes 3. The widest gap is on LMArena Elo, where Claude Haiku 4.5 leads by 10 points. 1 suite tied. These are the figures each provider or public leaderboard publishes, not results we re-run, and a benchmark average can hide the specific behaviour your workload depends on.
Which has the larger context window, Claude Haiku 4.5 or Gemini 2.0 Flash?
On context, Gemini 2.0 Flash is the larger at 1,000,000 tokens versus 200,000. The context window caps everything in a single request: prompt, retrieved documents, conversation history and the model’s own output all share it.
Can I compare Claude Haiku 4.5 and Gemini 2.0 Flash on my own numbers?
Yes. Open both in the side-by-side comparison tool to see every field at once, or use the token calculator to price your actual prompt and monthly request volume against each model. Both are free and need no sign-up.
Price it for your own workload
Related matchups
Terms used on this page
Prices and scores are recomputed on every deploy from the catalogue. Prices checked 12 August 2026.